Transcript
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 20 Tr Transition ansition Elements and Coordination Chemistry
20.1 Multiple Choice Questions 1) Which of the following elements is an inner transition metal? A) Eu B) e C) !u ") #c Answer$ A "iff$ 1 Algo. %ption$ algorithmic 2) What is the characteristic outer electron configuration for transition elements? 10'(ns2 2 A) &n &n ' 1)d 1)d 10'(ns 10'(ns2 2 B) &n &n)d 10'(ns 10'(ns1 1 C) &n &n 1)d 1)d 10'(ns ") &n &n ' 1)d 1)d 10'(&n 1) s s2 Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations +) What is the groun,'state electron configuration for the element co-alt Z &Z 2/)? A) Ar s2 +d +d / B) Ar +d +d 3 C) Ar s2 p4 5 s1 ") Ar +d + d / Answer$ A "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations ) Which element is most li6el7 to ha8e an anomalous electron configuration? A) 9 B) *c C) Ag ") C, Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations
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5) What is the groun,'state electron configuration for the element chromium &: 2)? A) ;e s2 +d +d B) Ar s2 +d +d C) Ar s1 +d +d 5 ") Ar +d + d 4 Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic 4) What is the groun,'state electron configuration for Cr in Cr 2%/2'? A) Ar s1 +d +d 5 B) Ar s2 +d +d 4 C) Ar +d +d ") Ar +d + d 0 Answer$ " "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations /) What is the groun,'state electron configuration for Co2 & Z 2/)? Z A) Ar s2 +d +d 3 B) Ar s2 +d +d 5 C) Ar +d +d / ") Ar s1 +d +d 4 Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic <) Which transition metal has the anomalous groun,'state electron configuration$ =r d d 10? A) !h B) >, C) Ag ") C, Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations
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3) Which of the following species has the groun,'state electron configuration Ar+d Ar+d ? A) *i B) 2 2 C) Cr 2 ") e2 Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic 10) @ow man7 d electrons electrons are there in Mn%'? A) 0 B) 1 C) 2 ") + Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic 11) What is the d or-ital'filling or-ital'filling ,iagram for e+ & Z Z 24)?
A) &A) B) &B) C) &C) ") &") Answer$ " "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations 12) @ow man7 8alence electrons ,oes the element Co ha8e? A) 2 B) / C) < ") 3 Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations 3 Copyright © 2014 Pearson Education, Inc.
1+) What two transition elements ha8e the highest electrical con,ucti8it7 of an 7 elements at room temperature? A) copper an, iron B) copper an, sil8er C) iron an, chromium ") sil8er an, gol, Answer$ B "iff$ 1 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 1) Which first row transition element has the highest melting point? A) #c B) C) e ") :n Answer$ B "iff$ 1 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 15) Which transition element has the highest melting point? A) e B) C) Mo ") W Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations 14) Which of the following elements has the highest ,ensit7? A) Cr B) ;i C) %s ") *a Answer$ C "iff$ 1 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 1/) or transition elements which of the following occurs as the effecti8e nuclear charge increases? A) *he atomic ra,ius increases. B) *he ,ensit7 increases. C) Both the atomic ra,ius an, the ,ensit7 increase. ") *he atomic ra,ius ,ecreases an, the ,ensit7 increases. Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 4 Copyright © 2014 Pearson Education, Inc.
1<) *hough we woul, e(pect an increase in atomic ra,ii going ,own a group from the secon, to the thir, transition series of elements the actual ra,ii are nearl7 i,entical. *he term c ommonl7 use, to ,escri-e this phenomenon is the A) atomic ,isparit7. ,isparit7. B) effecti8e nuclear charge. C) lanthani,e contraction. ") transition ,efault. Answer$ C "iff$ 1 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 13) Which of the following transition elements &#c *i Mn an, Cu) ha8e positi8e po siti8e o(i,ation potentials? A) #c B) Cu C) #c *i an, ") #c *i an, Mn Answer$ " "iff$ 2 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 20) Which transition element is ,ifficult to o(i,ie with h7,ronium ion? A) Cr B) Cu C) Mn ") *i Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements 21) What o(i,ation state&s) is&are) e(hi-ite, -7 all first row transition elements e(cept scan,ium? A) 2 B) + C) 2 an, + ") 2 + an, Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements
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22) What is the highest possi-le o(i,ation state for chromium? A) + B) C) 5 ") 4 Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements Algo. %ption$ algorithmic 2+) What statement is most inconsistent with the chemistr7 of transition elements? A) Bromi,e chlori,e an, io,i,e sta-ilie the higher o(i,ation states of the transition elements. B) Earl7 transition metal ions with the metal in its lowest o(i,ation state are goo , re,ucing agents. C) ons that ha8e transition metal in their highest o(i,ation state ten, to -e goo, o(i,iing agents. ") *he sta-ilit7 of the higher o(i,ation states increases ,own a pe rio,ic group. Answer$ A "iff$ + *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 2) ana,ium ana,ium in the 5 o(i,ation is most often foun, as compoun,s of A) -romi,es. B) chlori,es. C) fluori,es. ") io,i,es. Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 25) Which of the following is the strongest re,ucing agent? A) Cr B) #c C) ") *i Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 24) Which of the following is the most ,ifficult to o(i,ie? A) Cr B) C) *i ") #c Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 6 Copyright © 2014 Pearson Education, Inc.
2/) What is the strongest o(i,iing agent of the following set$ Cl2 CrCl+ =Mn% =!e%? A) Cl2 B) CrCl+ C) =Mn% ") =!e% Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 2<) What is the strongest o(i,iing agent of the following set$ MnCl2 Mn&%@)+ Mn%2 =Mn%? A) MnCl2 B) Mn&%@)+ C) Mn%2 ") =Mn% Answer$ " "iff$ 2 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements 23) What chemical eDuation represents the -est metho, for o-taining pure chromium? A) eCr 2%& s) s) C& s) s) heat e& s) s) 2 Cr& s) s) C%& g g ) B) Cr 2%+& s) s) 2 Al& s) s) heat 2 Cr& s) s) Al2%+& s) s) C) Cr 2%+& s) s) 2 e& s) s) heat e2%+& s) s) 2 Cr& s) s) 2&aq) ") Cr 2 aq) @2& g g ) Cr& s) s) 2 @&aq) aq) Answer$ B "iff$ 2 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +0) Which is not a characteristic reaction of chromium metal or ch romium&) ion? 2&aq) A) Cr& s) s) 2 @&aq) aq) Cr 2 aq) @2& g g ) B) Cr 2&aq) aq) %2& g g ) @&aq) aq) Cr +&aq) aq) 2 @2%&l %&l ) C) Cr&%@)2& s) s) 2 @+%&aq) aq) Cr 2&aq) aq) @2%&l %&l ) ") Cr&%@)2& s) s) %@'&aq) aq) Cr&%@)+'&aq) aq) Answer$ " "iff$ + *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements
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+1) Which of the following chromium species is the strongest aci,? A) Cr&%@)2 B) Cr&%@)+ C) Cr%2&%@)2 ") Cr%2' Answer$ C "iff$ + *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +2) Which chromium species e(ists onl7 un,er aci,ic con,itions? A) Cr&%@)2 B) Cr&%@)' C) Cr%2' ") Cr 2%/2' Answer$ " "iff$ 2 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements ++) Which is the strongest o(i,iing agent un,er aci,ic co n,itions? 2 A) Cr 2 + B) Cr + C) Cr%2' ") Cr 2%/2' Answer$ " "iff$ 2 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +) n the two half'reactions shown -elow which chromium species is the strongest o(i,iing agent? +&aq) Cr 2%/2F &aq) aq) 1 @&aq) aq) 4 e F 2 Cr + aq) / @2%&l %&l ) E G 1.++ Cr%2F &aq) aq) @2%&l %&l ) 4 e F Cr&%@)+& s) s) 5 %@ F &aq) aq) E G F 0.1+ A) Cr 2%/2F + B) Cr + C) Cr%2F ") Cr&%@)+ Answer$ A "iff$ + *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements
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+5) What statement is inconsistent with the chemistr7 of iron? A) ron is the fourth most a-un,ant element in the earthHs crust. B) ron is o-taine, from the re,uction of hematite &e2%+) an, magnetite &e+%) -7 car-on in a -last furnace. C) ron is a relati8el7 har, metal an, it is relati8el7 unreacti8e with haloaci,s. ") *he maIorit7 of iron in a health7 human is present in the o(7gen'carr7ing protein hemoglo-in. Answer$ C "iff$ 1 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +4) What are two of the maIor components of stainless steel? A) iron an, car-on B) iron an, chromium C) iron an, titanium ") iron an, tungsten Answer$ B "iff$ 1 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +/) What statement is most inconsistent a-out the chemistr7 of iron? A) ron&) h7,ro(i,e is 8er7 solu-le an, reacts rea,il7 with h7,ro(i,e to form e&%@) F . B) ron reacts with h7,rochloric aci, in the a-sence of air to 7iel, iron&) ion an, h7,rogen gas. C) ron reacts with nitric aci, to 7iel, iron&) ion an, nitric o(i,e. ") *he most common o(i,ation states of iron are 2 &ferrous) an, + &ferric). Answer$ A "iff$ 2 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +<) What is the strongest o(i,iing agent of the following set$ e% e2%+ e+% e%2'? A) e% B) e2%+ C) e+% ") e%2' Answer$ " "iff$ 2 *opic$ *opic$ #ection 20. Chemistr7 of #electe, #electe, *ransition *ransition Elements +3) What statement is inconsistent with the chemistr7 of copper? A) t has a high electrical con,ucti8it7 an, is wi,el7 use, to ma6e electrical wiring. B) t is commonl7 foun, in the elemental state. C) t is a re,,ish colore, metal that accounts for onl7 0.004tCl cis '>tCl2&;@+)2 an, trans '>tCl trans '>tCl2&;@+)2 ") &)'Co&en)++ an, &')'Co&en)++ Answer$ B "iff$ + *opic$ *opic$ #ection 20.< somers 4<) 4<) @ow @ow man7 man7 ,iff ,iffer eren entt ,ias ,iaste tere reoi oiso some mers rs are are possi possi-l -lee for for tet tetra rahe, he,ra rall comp comple le( ( ion ion CuB CuB C A) 0 B) 1 C) 2 ") Answer$ A "iff$ + *opic$ *opic$ #ection 20.< somers 43) *he compoun,s Cr&@2%)4Cl+ an, CrCl+&@2%)+ L +@2% are e(amples of A) ,iastereoisomers. B) enantiomers. C) ioniation isomers. ") lin6age isomers. Answer$ C "iff$ + *opic$ *opic$ #ection 20.< somers
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/0) Which ion has cis an, cis an, trans isomers? trans isomers? A) >,Cl+ ;@+' B) >t&C;)5 ;@+' C) >tCl2&C;)22' ") >t&C2%)22' Answer$ C "iff$ + *opic$ *opic$ #ection 20.< somers /1) Which comple( is opticall7 acti8e? A) CoClen2' B) trans'CrCl trans'CrCl2&en)2 C) cis'CrCl cis'CrCl2&en)2 ") >tCl2&;@+)2 Answer$ C "iff$ 5 *opic$ *opic$ #ection 20.3 Enantiomers an, Molecular @an,e,ness /2) Which comple( cannot e(ist as enantiomers? A) CoCl2&@2%) B) Co&en)++ C) cis'CrCl cis'CrCl2&C2%)2 ") e&C2%)2&en)' Answer$ A "iff$ 5 *opic$ *opic$ #ection 20.3 Enantiomers an, Molecular @an,e,ness /+) Which ,efinition -est ,escri-es isomers that are non'superimposa-le mirror images of each other that rotate plane polarie, light to the same ,egree -ut in opposite oppo site ,irections? A) ,iastereoisomers B) enantiomers C) lin6age isomers ") racemic mi(ture Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.3 Enantiomers an, Molecular @an,e,ness
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/) Which one of the following o-Iects is chiral? A) a -ottle B) a chair C) a glass ") a glo8e Answer$ " "iff$ 2 *opic$ *opic$ #ection 20.3 Enantiomers an, Molecular @an,e,ness /5) A comple( ion that has a -roa, a-sorption -an, at 425 nm in its 8isi-le a-sorption spectrum will appear to -e A) -lue. B) colorless. C) re,. ") 7ellow. Answer$ A "iff$ 1 *opic$ *opic$ #ection 20.10 Color of *ransition *ransition Metal Comple(es /4) What h7-ri,iation scheme is use, for ;i in the sDuare planar comple( of ;i&C;)2'? A) sp A) sp+ B) dsp2 C) dsp+ sp+ ") d 2 sp+ Answer$ B "iff$ 1 *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 //) What t7pe of h7-ri, or-itals are use, -7 the *i atom to form chemical -on,s in the comple( ion *i&@2%)4+? A) sp A) sp+ B) dsp2 C) dsp+ sp+ ") d 2 sp+ Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7
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/<) @ow man7 unpaire, electrons are present in the high spin form of the Co 4+' comple( an, what metal or-itals are use, in -on,ing? A) 0 unpaire, electrons an, s s p an, p an, d d or-itals or-itals to gi8e sp gi8e sp+d 2 B) unpaire, electrons an, s s p an, p an, d d or-itals or-itals to gi8e sp gi8e sp+d 2 sp+ C) 0 unpaire, electrons an, +d +d s s an, p or-itals p or-itals to gi8e d 2 sp+ sp+ ") unpaire, electrons an, +d +d s s an, p or-itals p or-itals to gi8e d 2 sp+ Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 /3) Which metal ion is most li6el7 to form a sDuare planar comple( ion with C;'? A) Co2 B) Cu2 C) ;i2 ") :n2 Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 <0) *he comple( ;i&C;)2' is ,iamagnetic an, the comple( co mple( ;iCl2' is paramagnetic. What can 7ou conclu,e a-out their molecular geometries? A) Both comple(es ha8e sDuare planar p lanar geometries. B) Both comple(es ha8e tetrahe,ral geometries. C) ;iCl2' has a sDuare planar geometr7 while ;i&C;)2' has a tetrahe,ral geometr7. ") ;iCl2' has a tetrahe,ral geometr7 while ;i&C;)2' has a sDuare planar geometr7. Answer$ " "iff$ *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 <1) @ow man7 d electrons electrons are there on the e metal atom in ;a+e&C;)4? A) 1 B) + C) 5 ") 4 Answer$ C "iff$ + *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7
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<2) Which of the following species is ,iamagnetic? A) an isolate, gas'phase + ion B) a high'spin octahe,ral e2 comple( C) an isolate, gas'phase Cu2 ion ") a low'spin octahe,ral Co+ comple( Answer$ " "iff$ + *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 Algo. %ption$ algorithmic <+) What is a representati8e or-ital'filling ,iagram for the co-alt ion in the low spin comple( of Co&C;)4+'?
A) &A) B) &B) C) &C) ") &") Answer$ B "iff$ 2 *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 <) Which of the following comple( ions is colorless? A) Co&@2%)42 B) Mn&C;)4+' C) CrCl+&@2%)+ ") Ag&;@+)2 Answer$ " "iff$ + *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7
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<5) Which of the following comple(es has fi8e unpaire, electrons? A) Mn&@2%)42 B) Mn&C;)4+' C) CrCl+&@2%)+ ") Ag&;@+)2 Answer$ A "iff$ + *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7 <4) Which of the following comple(es are ,iamagnetic? Mn&C;)4+' :n&;@+)2 e&C;)4' e4+' A) :n&;@+)2 B) :n&;@+)2 an, e4+' C) :n&;@+)2 an, e&C;)4' ") Mn&C;)4+' :n&;@+)2 an, e&C;)4' Answer$ C "iff$ *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7 tCl2' ") >,Cl2&;@+)2 Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7 35) Assume the a-sorption of the following comple( ions can -e measure, as one -roa, -an,. Which of the following is e(pecte, to ha8e an a-sorption -an, with the shortest wa8elength? A) e&; B) e&C; C) eC ") eB Answer$ B "iff$ *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7
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34) @ow man7 unpaire, electrons will Co ha8e in the comple( CoCl2'? A) 1 B) + C) ") 5 Answer$ B "iff$ *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7
3/) Which group of elements in,icate, -7 letter an, sha,ing on the perio,ic ta-le a-o8e a-o8 e represents the transition elements? A) A B) B C) C ") " Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 3<) Which group of elements in,icate, -7 letter an, sha,ing on the perio,ic ta-le a-o8e a-o8 e represents the inner transition elements? A) A B) B C) C ") " Answer$ " "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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33) Which element in,icate, on the a-o8e a-o8 e perio,ic ta-le has the electron configuration =r d d 5 5 s2? A) element A B) element B C) element C ") element " Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 100) Which element in,icate, on the a-o8e a-o 8e perio,ic ta-le has the electron configuration Se f f / 5d 1 4 s2? A) element A B) element B C) element C ") element " Answer$ " "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 101) Which element in,icate, on the a-o8e a-o 8e perio,ic ta-le has the electron configuration Ar +d + s2? A) element A B) element B C) element C ") element " Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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102) Which element in,icate, on the a-o8e a-o 8e perio,ic ta-le has the electron configuration Ar 10 s1? +d 10 A) element A B) element B C) element C ") element " Answer$ B "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 10+) Which is the most common ion forme, -7 element B on the a-o8e perio,ic ta-le? A) B5 B) B2 C) B+ ") B Answer$ B "iff$ 2 *opic$ *opic$ Conceptual >ro-lems *he first transition series metals are shown -elow.
10) Which has the highest melting point? A) #c B) C) Mn ") :n Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 105) Which has the lowest melting point? A) #c B) C) Mn ") :n Answer$ " "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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104) Which has the largest atomic ra,ius? A) #c B) C) ;i ") :n Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 10/) Which has the smallest atomic ra,ius? A) #c B) C) ;i ") :n Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 10<) Which has the greatest ,ensit7? A) #c B) C) Cu ") :n Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 103) Which has the most positi8e stan,ar, o(i,ation potential? A) #c B) C) Cu ") :n Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 110) Which has the most negati8e stan,ar, o(i,ation potential? A) #c B) C) Cu ") :n Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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111) 111) Base, on the 8ariation in :eff which M2 ion shoul, -e the strongest re,ucing agent? A) *i B) Cr C) e ") :n Answer$ A "iff$ + *opic$ *opic$ Conceptual >ro-lems 112) Base, on the 8ariation in :eff which M2 ion shoul, -e the wea6est re,ucing agent? A) *i B) Cr C) e ") :n Answer$ " "iff$ + *opic$ *opic$ Conceptual >ro-lems 11+) Base, on the 8ariation in :eff which o(oanion shoul, -e the strongest o(i,iing agent? A) %+' B) Cr%2' C) Mn%2' ") e%2' Answer$ " "iff$ + *opic$ *opic$ Conceptual >ro-lems 11) Base, on the 8ariation in :eff which o(oanion shoul, -e the wea6est o(i,iing agent? A) %+' B) Cr%2' C) Mn%2' ") e%2' Answer$ A "iff$ + *opic$ *opic$ Conceptual >ro-lems 115) Which metal e(hi-its the highest o(i,ation state in its compoun,s? A) #c B) Cr C) Mn ") :n Answer$ C "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 2 Copyright © 2014 Pearson Education, Inc.
*he secon, transition series metals are shown -elow.
114) Which has the highest melting point? A) 9 B) Mo C) *c ") C, Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 11/) Which has the lowest melting point? po int? A) 9 B) Mo C) *c ") C, Answer$ " "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 11<) Which has the largest atomic ra,ius? A) 9 B) Mo C) !h ") C, Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 113) Which has the smallest atomic ra,ius? A) 9 B) Mo C) !h ") C, Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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120) Which has the greatest ,ensit7? A) 9 B) Mo C) !h ") C, Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 121) Which has the lowest ,ensit7? A) 9 B) Mo C) !h ") C, Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems *he thir, transition series metals are shown -elow.
122) Which has the highest melting point? A) u B) W C) %s ") @g Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 12+) Which has the lowest melting point? A) u B) W C) %s ") @g Answer$ " "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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12) Which has the largest atomic ra,ius? A) u B) W C) %s ") @g Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 125) Which has the smallest atomic ra,ius? A) u B) W C) %s ") @g Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 124) Which has the greatest ,ensit7? A) u B) W C) %s ") @g Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 12/) Which has the lowest ,ensit7? A) u B) W C) %s ") @g Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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12<) Which of the a-o8e are -i,entate ligan,s? A) All are -i,entate. B) &a) an, &-) C) &c) an, &,) ") ;one are -i,entate. Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 123) Which of the a-o8e are mono,entate ligan,s? A) All are mono,entate. B) &a) an, &-) C) &c) an, &,) ") ;one are mono,entate. Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 1+0) Which of the a-o8e are ligan,s that contain two or more ,onor atoms? A) All contain two or more ,onor ,ono r atoms. B) &a) an, &-) C) &c) an, &,) ") ;one contain two or more ,onor atoms. Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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1+1) Which of the a-o8e are -i,entate or tri,entate ligan,s capa-le of forming chelate rings? A) &a) an, &c) B) &-) an, &,) C) &a) &-) an, &c) ") &a) &-) &c) an, &,) Answer$ A "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 1+2) Which of the a-o8e are mono,entate ligan,s? A) &a) an, &c) B) &-) an, &,) C) All are mono,entate. ") ;one are mono,entate. Answer$ B "iff$ 1 *opic$ *opic$ Conceptual >ro-lems
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Consi,er the following isomers of Co&;@+)Br 2. *he -lac6 sphere represents Co gra7 spheres represent ;@+ an, unsha,e, spheres represent Br.
1++) Which are cis'isomers? A) isomers &1) an, &2) B) isomers &1) an, &+) C) isomers &2) an, &) ") isomers &+) an, &) Answer$ B "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 1+) Which are trans'isomers? A) isomers &1) an, &2) B) isomers &1) an, &+) C) isomers &2) an, &) ") isomers &+) an, &) Answer$ C "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 1+5) Which structures are i,entical? A) ;one of the structures are i,entical. B) structure &1) structure &2) an, structure &+) structure &) C) structure &1) structure &+) an, structure &2) structure &) ") structure &1) structure &) an, structure &2) structure &+) Answer$ C "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 1+4) Which e(ist as enantiomers? A) All e(ist as enantiomers. B) isomers &1) an, &+) C) isomers &2) an, &) ") ;one e(ist as enantiomers. Answer$ " "iff$ 2 *opic$ *opic$ Conceptual >ro-lems Consi,er the following eth7lene,iamine comple(es. *he -lac6 sphere represents Co gra7 34 Copyright © 2014 Pearson Education, Inc.
connecte, spheres represent eth7lene,iamine ;@2C@2C@2 ;@2 an, unsha,e, spheres represent Br.
1+/) Which comple(es are chiral? A) comple(es &1) &2) an, &+) B) comple(es &1) &2) an, &) C) comple(es &1) &+) an, &) ") comple(es &2) &+) an, &) Answer$ A "iff$ + *opic$ *opic$ Conceptual >ro-lems 1+<) Which comple(es are enantiomers of one another? A) comple(es &1) an, &+) B) comple(es &1) an, &) C) comple(es &+) an, &) ") comple(es &1) &+) an, &) Answer$ A "iff$ + *opic$ *opic$ Conceptual >ro-lems
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1+3) Which of the Co&) comple(es a-o8e are enantiomers of each other? A) &A) an, &B) B) &C) an, &") C) &A) &B) an, &C) ") &A) &B) &C) an, &") Answer$ A "iff$ + *opic$ *opic$ Conceptual >ro-lems 10) Which of the Co&) comple(es a-o8e are opticall7 acti8e? A) &A) an, &B) B) &C) an, &") C) &A) &B) an, &C) ") &A) &B) &C) an, &") Answer$ C "iff$ + *opic$ *opic$ Conceptual >ro-lems
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11) Which >t&) comple(es are geometric isomers of each other?
A) &a) an, &f) B) &-) an, &e) C) &c) an, &,) ") &a) an, &-) Answer$ C "iff$ + *opic$ *opic$ Conceptual >ro-lems
12) Ksing the a-o8e schematic of o f an artistHs color wheel ,etermine the color seen if a su-stance a-sor-s re, an, 7ellow light. A) -lue B) green C) orange ") 8iolet Answer$ A "iff$ 2 *opic$ *opic$ Conceptual >ro-lems
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1+) Ksing the a-o8e schematic of o f an artistHs color wheel ,etermine the color seen if a su-stance a-sor-s 7ellow an, -lue light. A) green B) orange C) re, ") 8iolet Answer$ C "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 1) Ksing the a-o8e schematic of o f an artistHs color wheel ,etermine the color a-sor-e, if a su-stance is seen as -eing green in color. A) -lue B) orange C) re, ") 8iolet Answer$ C "iff$ 1 *opic$ *opic$ Conceptual >ro-lems 15) *he a-sor-ance spectrum of a comple( along with an artistHs color wheel is shown -elow. "etermine the color one might see for this comple(.
A) green B) re, C) re,'8iolet ") 7ellow Answer$ C "iff$ 2 *opic$ *opic$ Conceptual >ro-lems
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14) Which is the cr7stal fiel, energ7 le8el ,iagram for an octahe,ral M4 comple(? A) &A) B) &B) C) &C) ") &") Answer$ A "iff$ 2 *opic$ *opic$ Conceptual >ro-lems 1/) Which is the cr7stal fiel, energ7 le8el ,iagram for a sDuare planar M comple( that contains no ligan,s on the z the z 'a(is? 'a(is? A) &A) B) &B) C) &C) ") &") Answer$ C "iff$ + *opic$ *opic$ Conceptual >ro-lems 1<) Which is the cr7stal fiel, energ7 le8el ,iagram for a tetrahe,ral M? A) &A) B) &B) C) &C) ") &") Answer$ " "iff$ + *opic$ *opic$ Conceptual >ro-lems
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20.2 Algorithmic Algorithmic Questions 1) What is the groun,'state electron configuration for the element chromium &: 2)? A) ;e s2 +d +d B) Ar s2 +d +d C) Ar s1 +d +d 5 ") Ar +d + d 4 Answer$ C "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic 2) Which of the following elements is an inner transition metal? A) Eu B) e C) !u ") #c Answer$ A "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic +) What is the groun,'state electron configuration for Cr + & Z Z 2)? A) Ar s2 +d +d / B) Ar s2 +d +d 1 C) Ar +d +d + ") Ar s1 +d +d 2 Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic ) @ow man7 d electrons electrons are there in W %2'? A) 0 B) 1 C) 2 ") + Answer$ A "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic
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5) Which of the following species has the electron configuration Ar+d Ar+d 4? A) Cr B) e+ C) Co+ ") ;i+ Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations Algo. %ption$ algorithmic 4) What is the highest possi-le o(i,ation state for manganese? A) 2 B) 5 C) 4 ") / Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements Algo. %ption$ algorithmic /) Which of the following can function as a -i,entate ligan,? A) C% B) %@ ' C) ; @+ ") C2% 2' Answer$ " "iff$ 1 *opic$ *opic$ #ection 20.4 igan,s Algo. %ption$ algorithmic <) Which of the following can function as a chelating agent? A) #@' B) @2% C) @2 ;C@2C%2' ") #C; ' Answer$ C "iff$ 2 *opic$ *opic$ #ection 20.4 igan,s Algo. %ption$ algorithmic
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3) Which of the following species is ,iamagnetic? + ion A) an isolate, gas'phase Cr + 2 comple( B) a high'spin octahe,ral Cr 2 C) an isolate, gas'phase Cu2 ion ") a low'spin octahe,ral Co+ comple( Answer$ " "iff$ + *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 Algo. %ption$ algorithmic 10) Which ion woul, 7ou e(pect to ha8e the largest cr7stal fiel, splitting "? A) !h&C;)4' B) !h&C;)4+' C) !h&@2%)42 ") !h&@2%)4+ Answer$ B "iff$ 5 *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7 Algo. %ption$ algorithmic 20.+ #hort Answer Questions 1) *ransition *ransition elements are locate, in the NNNNNNNN'-loc6 of the perio,ic ta-le. Answer$ d "iff$ 1 *opic$ *opic$ #ection 20.1 Electron Electron Configurations 2) Ksing shorthan, notation the electron configuration of Co+ is NNNNNNNN. Answer$ Ar +d 4 "iff$ 2 *opic$ *opic$ #ection 20.1 Electron Electron Configurations +) *he small sies of thir, transition series atoms is referre, to as the NNNNNNNN contraction. Answer$ lanthani,e "iff$ 2 *opic$ *opic$ #ection 20.2 >roperties of *ransition *ransition Elements ) *he o(i,ation state of chromium in Cr 2%/2F is is NNNNNNNN. Answer$ 4 "iff$ 1 *opic$ *opic$ #ection 20.+ %(i,ation #tates of *ransition *ransition Elements
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5) *he coor,ination num-er of platinum in >t&;@+)2Cl2 is NNNNNNNN. Answer$ "iff$ 2 *opic$ *opic$ #ection 20.5 Coor,ination Compoun,s Compoun,s 4) >ol7,entate ligan,s are 6nown as NNNNNNNN agents. Answer$ chelating "iff$ 2 *opic$ *opic$ #ection 20.4 igan,s /) *he formula for tetraammine,ichlorochromium&) chlori,e is NNNNNNNN. Answer$ Cr&;@+)Cl2Cl "iff$ + *opic$ *opic$ #ection 20./ ;aming ;aming Coor,ination Compoun,s <) *he num-er of ,iastereoisomers possi-le for Co&en)2Cl2 is NNNNNNNN. Answer$ 2 "iff$ *opic$ *opic$ #ection 20.< somers 3) >latinum uses NNNNNNNN h7-ri, or-itals to accep t electron pairs from ligan,s in cis' cis' >t&;@+)2Cl2. Answer$ dsp2 "iff$ + *opic$ *opic$ #ection 20.11 Bon,ing in Comple(es$ a alence Bon, *heor7 10) *he num-er of unpaire, electrons in Co&;@+)4+ is NNNNNNNN. Answer$ 0 "iff$ *opic$ *opic$ #ection 20.12 Cr7stal iel, *heor7
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