Ch24_testbank

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Chemistry, 11e (Brown/LeMay/Brusten/Murphy (Brown/LeMay/Brusten/Murphy)) Chapter 24: Chemistry of Coordination Compounds 24.1 Multiple-Choice and Bimodal Questions 1) The coordination numers of coa!t(""") and of chromium(""") in their comp!e#es are a!ways $$$$$$$$$$% &) 4 B) ' C) 2 )  *) + &nswer: *  Diff: 1  Page Ref: Sec. 24.1 2) The coordination numer of p!atinum in comp!e#es is a!ways $$$$$$$$$$% &) 4 B) ' C) 2 )  *) + &nswer: &  Diff: 1  Page Ref: Sec. 24.1 ) urin the formation of a coordination compound, the meta! acts as a $$$$$$$$$$% &) Lewis acid B) Br∅nsted acid C) &rrhenius acid nsted ase ase ) Br∅nsted *) Lewis ase &nswer: &  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy (Brown/LeMay/Brusten/Murphy)) Chapter 24: Chemistry of Coordination Compounds 4) urin the formation of a coordination compound, !iands act as $$$$$$$$$$% &) Lewis ases B) &rrhenius ases C) Br∅nsted acid ) Lewis acids *) &rrhenius acids &nswer: &  Diff: 1  Page Ref: Sec. 24.1 ') The coordination sphere of a comp!e# consists of $$$$$$$$$$% &) the centra! meta! ion on!y B) the !iands C) the centra! meta! ion and the !iands onded to it ) the primary and secondary -a!encies *) coordination and steric numers &nswer: C  Diff: 1  Page Ref: Sec. 24.1 +) "n the fo!!owin reaction,  .i2  is actin as a(n) $$$$$$$$$$% +  .i 2+ () + +  2 0(!) → .i( 2 0)+ 2+ (a) &) o#idiin aent B) Lewis acid C) precipitatin aent ) so!-ent *) !iand &nswer: B  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy (Brown/LeMay/Brusten/Murphy)) Chapter 24: Chemistry of Coordination Compounds 4) urin the formation of a coordination compound, !iands act as $$$$$$$$$$% &) Lewis ases B) &rrhenius ases C) Br∅nsted acid ) Lewis acids *) &rrhenius acids &nswer: &  Diff: 1  Page Ref: Sec. 24.1 ') The coordination sphere of a comp!e# consists of $$$$$$$$$$% &) the centra! meta! ion on!y B) the !iands C) the centra! meta! ion and the !iands onded to it ) the primary and secondary -a!encies *) coordination and steric numers &nswer: C  Diff: 1  Page Ref: Sec. 24.1 +) "n the fo!!owin reaction,  .i2  is actin as a(n) $$$$$$$$$$% +  .i 2+ () + +  2 0(!) → .i( 2 0)+ 2+ (a) &) o#idiin aent B) Lewis acid C) precipitatin aent ) so!-ent *) !iand &nswer: B  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy (Brown/LeMay/Brusten/Murphy)) Chapter 24: Chemistry of Coordination Compounds 3) ow many d e!ectrons are in the coa!t ion of  ) [ Co(C.)+ ] 5 &)  B) ' C) + ) 3 *) 4 &nswer: C  Diff: 1  Page Ref: Sec. 24.1 6) 7hat is the chare on the comp!e# ion in M 2 [ 8eC!+ ] 5 &) 29 B) 2 C) 9 )  *) 49 &nswer: *  Diff: 1  Page Ref: Sec. 24.1 ;) 7hat is the o#idation numer of chromium in [ Cr(. ) ) 4 C!2 ] C! 5 &) 9 B)  C) 2 ) 92 *) < &nswer: B  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy (Brown/LeMay/Brusten/Murphy)) Chapter 24: Chemistry of Coordination Compounds 1<) 7hat is the !iand in Ca ) [ 8e(C.)+ ] 2 5 &) Ca 2+ B) 8e)+ C) C. − )− ) 8e(C.)+ *) 8e2+ &nswer: C  Diff: 1  Page Ref: Sec. 24.1 11) 7hat is the chare of the centra! meta! ion in Ca ) [ 8e(C.)+ ] 2 5 &) < B) 1 C) 2 )  *) + &nswer:   Diff: 1  Page Ref: Sec. 24.1 12) 7hat is the o#idation numer of coa!t in [ Co(.) )4 82 ] 5 &) 9 B) 2 C) 1 )  *) + &nswer: B  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 1) The chare of the comp!e# ion in [ =n( 2 0))C!] C!  is $$$$$$$$$$% &) < B) 19 C) 2 ) 1 *) 29 &nswer:   Diff: 1  Page Ref: Sec. 24.1 14) The coordination numer for [ =n( 2 0))C!] C!  is $$$$$$$$$$% &) ' B) 4 C) 2 ) 1 *) + &nswer: B  Diff: 2  Page Ref: Sec. 24.1 1') 7hat is the o#idation state of iron in Ca.a [ 8e(C.)+ ] 5 &) < B) 2 C)  ) 4 *) + &nswer: C  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 1+) 7hat is the coordination numer of iron in Ca.a [ 8e(C.)+ ] 5 &) 2 B) 6 C) 4 ) + *) 12 &nswer:   Diff: 1  Page Ref: Sec. 24.1 13) 7hat is the coordination numer of coa!t in[ Co(.) )' C!] (.0) )2 5 &) 12 B) 6 C) 4 ) 2 *) + &nswer: *  Diff: 1  Page Ref: Sec. 24.1 + 16) 7hat is the o#idation state of chromium in [ Cr( 2 0) 4 C!2 ] 5 &) < B) 2 C)  ) 92 *) 9 &nswer: C  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds + 1;) 7hat is the coordination numer of chromium in[ Cr( 2 0) 4 C!2 ] 5 &) 6 B) + C) 4 ) 2 *) 12 &nswer: B  Diff: 1  Page Ref: Sec. 24.1 2<) The >dentation> of a !iand is defined y $$$$$$$$$$% &) how many >dents> or >deceptions> there are in the coordination sphere of a comp!e# species it forms B) how many e!ectron donor atoms it uti!ies to form coordinate onds to the centra! meta! ion C) the tota! numer of !one pairs of e!ectrons it possesses ) how many meta! ions it can seuester from so!ution *) none of the ao-e &nswer: B  Diff: 1  Page Ref: Sec. 24.2 21) *T& is $$$$$$$$$$9dantate !iand% &) mono B) i C) tri ) tetra *) he#a &nswer: *  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 22) 7hat is the meta! ion in the porphyrin of heme5 &) iron B) ca!cium C) mo!ydenum ) manesium *) ch!orophy!! &nswer: &  Diff: 1  Page Ref: Sec. 24.2 2) ow many iron atoms are coordinated in a hemo!oin mo!ecu!e5 &) 1 B) 2 C)  ) 4 *) ' &nswer:   Diff: 1  Page Ref: Sec. 24.2 24) The correct name for [ .i(.) )+ ] (.0) ))  is $$$$$$$$$$% &) dinitrohe#aamminenic?e! ("") B) he#aamminenic?e! (""") trinitrate C) dinitrohe#aamminenic?e!ate (""") ) he#aamminenic?e! ("") nitrate *) he#aamminenic?e! (""") nitrate &nswer: *  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2') The names of comp!e# anions end in $$$$$$$$$$% &) 9o B) 9ium C) 9ate ) 9ous *) 9ic &nswer: C  Diff: 1  Page Ref: Sec. 24.3 2+) The correct name for  .a ) [ Co8+ ]  is $$$$$$$$$$% &) trisodium he#a?isf!uorocoa!t(""") B) trisodium he#a?isf!uorocoa!t("") C) trisodium he#a?isf!uorocoa!t("@) ) sodium he#af!uorocoa!tate(""") *) sodium he#af!uorocoa!tate("@) &nswer:   Diff: 1  Page Ref: Sec. 24.3 23) Tripheny!phosphine is often i-en the are-iated formu!a AAh ) % The correct name for h(AAh ) )) C!  is $$$$$$$$$$% &) ch!orotripheny!phosphinerhodium B) ch!orotripheny!phosphinerhodium(") C) tris(tripheny!phosphine)ch!ororhodium(") ) ch!orotris(tripheny!phosphine)rhodium(") *) ch!orotris(tripheny!phosphine)rhodate(9") &nswer:   Diff: 1  Page Ref: Sec. 24.3 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 26) "n $$$$$$$$$$, the onds are the same ut the spatia! arranement of the atoms is different% &) structura! isomers B) !in?ae isomers C) coordination9sphere isomers ) stereoisomers *) resonance structures &nswer:   Diff: 1  Page Ref: Sec. 24.4 2;) & eometrica! isomer with !i?e roups !ocated on opposite sides of the meta! atom is denoted with the prefi# $$$$$$$$$$% &) cis9 B) trans9 C) is9 ) tetra?is *) d9 &nswer: B  Diff: 1  Page Ref: Sec. 24.4  2+ <) The comp!e# [ =n(.) )2 C!2 ]  does not e#hiit cis9trans isomerism% The eometry of this comp!e# must e $$$$$$$$$$% &) tetrahedra! B) triona! ipyramida! C) octahedra! ) suare p!anar *) either tetrahedra! or suare p!anar &nswer: &  Diff: 1  Page Ref: Sec. 24.4 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds + 1) ow many isomers e#ist for the octahedra! co mp!e# ion [ Co(.) )4 82 ] 5 &) 1 B) 2 C)  ) 4 *) ' &nswer: B  Diff: 1  Page Ref: Sec. 24.4  2− 2) Trans − [ 8e( 2 0)2 C!4 ]  must e $$$$$$$$$ %$&) tetrahedra! B) octahedra! C) suare p!anar ) triona! ipyramida! *) !inear &nswer: B  Diff: 1  Page Ref: Sec. 24.4 ) Lin?ae isomerism can on!y occur $$$$$$$$$$% &) in cis9isomers of octahedra! comp!e#es B) with coa!t comp!e#es C) with coordination numer + ) with tetrahedra! comp!e#es *) with !iands that ha-e more than one possi!e donor atom &nswer: *  Diff: 1  Page Ref: Sec. 24.4 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 4) Meta!s with $$$$$$$$$$ e!ectron confiurations characteristica!!y form diamanetic, suare p!anar comp!e#es% &) d < B) d ; C) d + ) d 6 *) d1< &nswer:   Diff: 1  Page Ref: Sec. 24.6 ') 7hat transition meta! is responsi!e for the co!or of ruy5 &) mananese B) coa!t C) titanium ) o!d *) chromium &nswer: *  Diff: 1  Page Ref: Sec. 24.6 24.2 Multiple-Choice Questions 1) 8ormation of a comp!e# species of M n +  meta! ion with !iands often $$$$$$$$$$% &) >mas?s> oriina! chemica! properties of oth the M n +  ion and the !iands B) reduces a-ai!ai!ity of the free M n +  ions in so!ution C) may cause chanes in the ease with which M n +  is reduced or o#idied ) a!ters oriina! physica! properties of M n + *) a!! of the ao-e &nswer: *  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2) 7hat is the most common eometry found in four9coordinate comp!e#es5 &) suare p!anar B) octahedra! C) tetrahedra! ) icosahedra! *) triona! ipyramida! &nswer: C  Diff: 1  Page Ref: Sec. 24.1 ) The minimum numer of unshared -a!ence e!ectron pairs in the !iands of a coordination compound is $$$$$$$$$$% &) 1 B) 2 C)  ) 4 *) ' &nswer: &  Diff: 1  Page Ref: Sec. 24.1 4) The coordination numer of coa!t in CoC!) &) 2 B)  C) 4 ) + *) 6 &nswer:   Diff: 2  Page Ref: Sec. 24.1 g '.)  is $$$$$$$$$ %$ Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds )− ') 7hat is the o#idation numer of .i in .i(C.)' D 5 &) 1 B) 2 C)  ) 4 *) ' &nswer: B  Diff: 1  Page Ref: Sec. 24.1 +) Chanes in the coordination sphere of a comp!e# compound may !ead to chanes in  $$$$$$$$$$% &) co!or B) physica! properties C) chemica! properties ) stai!ity *) a!! of the ao-e &nswer: *  Diff: 1  Page Ref: Sec. 24.1 3) "n the compound, Ca.a [ 8e(C.)+ ] , what !iands are in the coordination sphere5 &) Ca 2+ B)  .a + C) C. − )  2 0 *) none of the ao-e &nswer: C  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 6) 7hat are the respecti-e centra!9meta! o#idation state, coordination numer, and o-era!! chare on the comp!e# ion in  .a 2 [ Cr(.) )2 (.CE)4 ] 5 &) F +F 91 B) F +F 1 C) 2F +F 92 ) 2F 4F 91 *) 1F +F 92 &nswer: C  Diff: 2  Page Ref: Sec. 24.1 ;) 7hich one of the fo!!owin species is paramanetic5 &) Cu + B) Cr )+ C) =n ) Ca + *) & &nswer: B  Diff: 1  Page Ref: Sec. 24.1 1<) 7hich of the fo!!owin comp!e#es has a coordination numer of +5 &) [ Co(en)2 C!2 ] + B) [ At(. ) ) 2 C!2 ]  2+ C) [ Cu(.) )4 ] ) [ &(.) )2 ] + *) .one of these comp!e#es has coordination numer +% &nswer: &  Diff: 2  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds + 11) ow many !iands are there in the coordination sphere of [ Co(en)2 C!2 ] 5 &)  B) + C) 4 ) 1 *) < &nswer: C  Diff: 1  Page Ref: Sec. 24.1 12) 7hat is the chare on the comp!e# ion in Ca 2 [ 8e(C.)+ ] 5 &) 9 B) 2 C) 29 ) 19 *) 49 &nswer: *  Diff: 3  Page Ref: Sec. 24.1 1) & !iand with a sin!e donor atom is ca!!ed $$$$$$$$$$% &) a che!on B) a che!ate C) po!ydentate ) monodentate *) identate &nswer:   Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 14) 7hich of the fo!!owin is not a che!atin aent5 &) ch!oride anion B) *T& C) porphine ) ethy!enediamine *) o#a!ate anion &nswer: &  Diff: 1  Page Ref: Sec. 24.2 1') 7hat is the purpose of addin *T& to prepared foods5 &) to ?eep ions such as Ca 2+  in so!ution so the foods !oo? ood B) to comp!e# trace meta! ions that cata!ye decomposition reactions C) to comp!e# iron(""") ions so they can cata!ye protein decomposition on coo?in ) to aid in rownin of the surface durin coo?in *) to pre-ent disso!ution of the container in the food when stored for !on periods of time &nswer: B  Diff: 1  Page Ref: Sec. 24.2 1+) "n humans, what percent of asored iron is found in !ood5 &) 1' B) 2' C) 4< ) +< *) 3' &nswer: *  Diff: 2  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 13) The coordination numer and o#idation numer of the centra! atom in Mn(C0) 4 Br2 D are $$$$$$$$$ and $$$$$$$$$, respecti-e!y% &) 4, 1 B) +, 1 C) ', 2 ) 4, 2 *) +, 2 &nswer: *  Diff: 2  Page Ref: Sec. 24.2 16) 7hat purpose wou!d sodium tripo!yphosphate ser-e in a deterent formu!ation5 &) to aid in remo-a! of rust stains from surfaces and from c!othes B) to aid in ?eepin the inside of washin machines c!ean and free from corrosion C) to impro-e the f!ow characteristics of the deterent in the o# ) to comp!e# and hence seuester meta! ions in hard water *) to reduce acteria! rowth in the deterent upon storae &nswer:   Diff: 1  Page Ref: Sec. 24.2 1;) 7hat are the donor atoms in a porphine mo!ecu!e5 &) . B) 0 C) E ) Br *) 8 &nswer: &  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2<) 7hat meta! is comp!e#ed in ch!orophy!!5 &) iron B) chromium C) mananese ) -anadium *) manesium &nswer: *  Diff: 1  Page Ref: Sec. 24.2 21) 7hat form of hemo!oin is purp!ish9red5 &) myo!oin B) deo#yhemo!oin C) heme ) o#yhemo!oin *) none of the ao-e &nswer: B  Diff: 1  Page Ref: Sec. 24.2 22) ow many onds can ethy!enediamine form to a meta! ion5 &) 1 B) 2 C)  ) 4 *) + &nswer: B  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2 Based on entropy considerations a!one, which homoeneous aueous eui!irium wou!d e e#pected to !ie to the riht5 − − − − &) &" 2 +2Br ⇔ &Br 2 +2" 2+ 2+ B) .i( 2 .C 2  4 . 2 )) + +.) ⇔ .i(. ) )+ +  2 .C2  4 . 2 2+ 2: − C) CoC! 4 + + 2 0 ⇔ Co( 2 0)+ + 4C! 2+ 2− ) 8e(. ) )+ + C 2<  1< .4 ⇔ 8e(. ) ) 2 (C 2< 1< . 4 ) + 4.) *) Cu(. ) ) 4 2+  + 2 0 ⇔ Cu( 2 0)+ 2+ + 4. ) &nswer:   Diff: 4  Page Ref: Sec. 24.2 24) The che!ate effect is est attriuted to considerations of which type5 &) hydration B) entha!py C) entropy ) hydroen ondin *) resonance &nswer: C  Diff: 1  Page Ref: Sec. 24.2 2') 7hich one of the fo!!owin species is a potentia! po!ydentate !iand (che!atin aent)5 &)  . ) B) C!− C) C. − )  2 0 2− *) C 2 0 4 &nswer: *  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2+) 7hat are the donor atoms in ferrichrome and how many of them are in one mo!ecu!e5 &) Cr, ' B) ., 4 C) 0, + ) 8e, 4 *) E, + &nswer: C  Diff: 1  Page Ref: Sec. 24.2 23) 7hich of the fo!!owin is a po!ydentate !iand5 &) ammonia B) o#a!ate ion C) ch!oride ion ) water *) hydro#ide ion &nswer: B  Diff: 1  Page Ref: Sec. 24.2 26) & comp!e# of correct!y written formu!a At(. ) ) ) BrDBr g 2 0 has which set of !iands in its inner coordination sphere5 &)  . ) B)  . ) and 2 Br 9 C)  . )  and 1 Br 9 )  . ) , 1 Br 9 − , and 1  2 0 *)  . ) , 2 Br 9 , and 1  2 0 &nswer: C  Diff: 1  Page Ref: Sec. 24.3 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2;) 7hich one of the fo!!owin is the correct formu!a for potassium diauatetrach!oromo!ydate (""")5 &)  2 Mo( 2 0) 2 C! 4 D B) Mo( 2 0) 2 C! 2 DC! 2 C) Mo( 2 0) 2 C! 4 D ) Mo( 2 0) 2 DC! 4 *)  )Mo( 2 0) 2 C! 4 D &nswer: C  Diff: 1  Page Ref: Sec. 24.3 <) oes either or oth cis9 or trans9Mn(en) 2 Br 2 D  ha-e optica! isomers5 &) cis on!y B) trans on!y C) oth cis and trans ) neither cis nor trans *) Mn(en) 2 Br 2 D  does not e#hiit cis9trans isomerism% &nswer: &  Diff: 1  Page Ref: Sec. 24.4 1) Lin?ae isomerism wou!d most !i?e!y occur when which of the fo!!owin !iands is  present5 &)  2 0 B)  . ) C) C!− ) A8 ) *)  .CE − &nswer: *  Diff: 1  Page Ref: Sec. 24.4 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 2) "somers whose !iands can ind direct!y to a meta! or e outside the !attice are ca!!ed  $$$$$$$$$% &) !in?ae isomers B) rotationa! isomers C) coordination sphere isomers ) eometric isomers *) optica! isomers &nswer: C  Diff: 1  Page Ref: Sec. 24.4 ) 7hich of the fo!!owin wi!! disp!ay optica! isomerism5 &) suare9p!anar h(C0) 2 C! 2 D9 2+ B) suare9p!anar At( 2 .C 2  4 . 2 ) 2 D )+ C) octahedra! Co(. ) ) + D 2+ ) octahedra! Co(. ) )' C!D )+ *) octahedra! Co( 2 .C 2  4 . 2 ) ) D &nswer: *  Diff: 2  Page Ref: Sec. 24.4 4) 7hich one of the fo!!owin comp!e#es wou!d most !i?e!y ha-e tetrahedra! eometry5 2− &)  .iC! 4 D 2+ B) Co( 2 0) + D )+ C) Cr(. ) ) + D ) ) 8e(C.) + D *) At(. ) ) 2 C! 2 D &nswer: &  Diff: 1  Page Ref: Sec. 24.4 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds ') 7hich one of the fo!!owin comp!e#es can e#hiit eometrica! isomerism5 &) At(. ) ) 2 C! 2 D  (suare p!anar) B) =n(. ) ) 2 C! 2 D  (tetrahedra!) 2+ C) Cu(. ) ) 4 D  (suare p!anar) 2+ ) Cu(. ) ) ' C!D  (octahedra!) *) &!! of the ao-e can e#hiit eometrica! isomerism% &nswer: &  Diff: 1  Page Ref: Sec. 24.4 +) Coordination sphere isomers &) ha-e the same mo!ecu!ar formu!a and coordination numer% B) ha-e the same mo!ecu!ar formu!a ut different coordination numers% C) ha-e different mo!ecu!ar formu!as ut the same c oordination numer% ) ha-e different mo!ecu!ar formu!as and different coordination numers% *) are the same as resonance structures% &nswer: &  Diff: 2  Page Ref: Sec. 24.4 3) & racemic mi#ture is &) an eua! mi#ture of oth enantiomers of an optica!!y acti-e species% B) a mi#ture of an optica!!y acti-e species with an optica!!y inacti-e species% C) an eua! mi#ture of cis9 and trans9isomers% ) a mi#ture of meta! ions and !iands in eui!irium% *) a mi#ture of structura! isomers% &nswer: &  Diff: 1  Page Ref: Sec. 24.4 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 6) Based on e!ectron confiuration, which is most !i?e!y co!or!ess5 2+ &) Cu(. ) ) 4 D 2+ B) Cd(. ) ) 4 D 2+ C) .i(. ) ) + D 2+ ) Cr(. ) ) ' C!D 2+ *) Co(. ) ) + C!D &nswer: B  Diff: 3  Page Ref: Sec. 24.5 ;) & comp!e# that asors !iht at 3<< nm wi!! appear $$$$$$$$$$% &) red B) reen C) ye!!ow ) orane *) -io!et &nswer: B  Diff: 3  Page Ref: Sec. 24.5 4<) & meta! comp!e# asors !iht main!y at 42< nm% 7hat is the co!or of the comp!e#5 &) reen B) ye!!ow C) red ) orane *) purp!e &nswer: B  Diff: 3  Page Ref: Sec. 24.5 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 41) 7hich one of the fo!!owin sustances has three unpaired d e!ectrons5 2+ &) =n(. ) ) 4 D 4+ B) @( 2 0) + D + C) &(. ) ) 2 D 2+ ) Cu(. ) ) 4 D )− *) Cr(C.) + D &nswer: *  Diff: 2  Page Ref: Sec. 24.5, 24.6 42) 7hich one of the fo!!owin comp!e# ions wi!! e paramanetic5 2+ &) 8e( 2 0) + D  (!ow spin) )+ B) 8e( 2 0) + D  (!ow spin) )+ C) Co( 2 0) + D  (!ow spin) 2+ ) =n( 2 0) 4 D 2+ *) =n(. ) ) 4 D &nswer: B  Diff: 2  Page Ref: Sec. 24.5, 24.6 4) Comp!e#es containin meta!s with d <  e!ectron confiurations are typica!!y co!or!ess  ecause &) there is no d e!ectron that can e promoted -ia the asorption of -isi!e !iht% B) the empty d orita!s asor a!! of the -isi!e wa-e!enths% C) there are no d e!ectrons to form onds to !iands% ) a comp!e# must e chared to e co!ored% *) d e!ectrons must e emitted y the comp!e# in order for it to appear co!ored% &nswer: &  Diff: 1  Page Ref: Sec. 24.6 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 44) Comp!e#es containin meta!s with d1<  e!ectron confiurations are typica!!y  $$$$$$$$$$% &) -io!et B) !ue C) reen ) ye!!ow *) co!or!ess &nswer: *  Diff: 1  Page Ref: Sec. 24.6  4') Comp!e#es containin meta!s with which one of the fo!!owin e!ectron confiurations are usua!!y co!or!ess5 &) d 2 B) d1 C) d ' ) d 6 *) d1< &nswer: *  Diff: 1  Page Ref: Sec. 24.6  4+) 7hich one of the fo!!owin is a stron9fie!d !iand5 &) C!− B)  . ) C)  2 0 ) 8− *) C. − &nswer: *  Diff: 1  Page Ref: Sec. 24.6  Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 43) Consider a comp!e# in which mananese (""") is onded to si# identica! !iands% 7hich one of the fo!!owin !iands wi!! resu!t in the sma!!est -a!ue of G5 &) C!− B)  . ) C)  2 0 ) 8− *) C. − &nswer: &  Diff: 1  Page Ref: Sec. 24.6  46) Based on the crysta!9fie!d strenths 89 < C 2 C. < . ) < .0 29 < C.9  which Co(""") comp!e# is most !i?e!y hih9spin5 )+ &) Co(. ) ) + D )− B) Co(.0 2 ) + D )− C) Co(C.) + D )− ) Co8 + D )+ *) Co(C/ ) C.) + D &nswer:   Diff: 1  Page Ref: Sec. 24.6 4;) The attraction of a meta! to a neutra! !iand is due to $$$$$$$$$$ ondin% &) ionic B) co-a!ent C) ion9dipo!e ) dipo!e9dipo!e *) hydrophoic &nswer: C  Diff: 2  Page Ref: Sec. 24.6  Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds '<) 7hich of the fo!!owin statements is (are) fa!se5 &) The reater the enery ap in a meta! comp!e#, the shorter the wa-e!enth of !iht the comp!e# wi!! asor% B) Comp!e# co!or depends on oth the meta! and the !iand% C) Meta! comp!e#es with an ammonia !iand ha-e a !arer enery ap than the correspondin f!uoride comp!e#es% ) Etron fie!d !iands are associated with !ow enery aps% *) Both & and C &nswer:   Diff: 3  Page Ref: Sec. 24.6  − − '1) Based on the crysta!9fie!d strenths C! < 8 <  2 0 < . ) <  2 .C 2  4 . 2 , which octahedra! Ti(""") comp!e# e!ow has its d9d e!ectronic transition at shortest wa-e!enth5 )+ &) Ti(. ) ) + D )+ B) Ti( 2 .C 2  4 . 2 ) ) D )+ C) Ti( 2 0) + D − ) TiC! + D ) )− *) Ti8 + D &nswer: B  Diff: 1  Page Ref: Sec. 24.6 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds '2) 7hich one of the fo!!owin ions cannot form oth a hih spin and a !ow spin octahedra! comp!e# ion5 &) 8e)+ B) Co 2+ C) Cr )+ ) Mn )+ *) Cr 2+ &nswer: C  Diff: 2  Page Ref: Sec. 24.6 ') Hsin the fo!!owin are-iated spectrochemica! series, determine which comp!e# ion is most !i?e!y to asor !iht in the red reion of the -isi!e spectrum% − − sma!! sp!ittin C! <  2 0 < . ) < C. !are sp!ittin 2− &) CuC! 4 D B) Cu( 2 0) 4 D 2+ 2+ C) Cu(. ) ) 4 D 2− ) Cu(C.) 4 D *) not enouh information i-en to determine &nswer: &  Diff: 1  Page Ref: Sec. 24.6 '4) 7hich of the fo!!owin cannot form oth hih9 and !ow9spin octahedra! comp!e#es5 &) Mn 2+ B) @ 2+ C) Co)+ ) Cr 2+ *) &!! of the ao-e can form oth hih9 and !ow9spin comp!e#es% &nswer: B  Diff: 2  Page Ref: Sec. 24.6 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds '') 7hich of the fo!!owin can form oth hih9 and !ow9spin octahedra! comp!e#es5 &) Cr 2+ B) Cr )+ C) =n 2+ ) Cu + *) &!! of the ao-e can form either hih9 or !ow9spin comp!e#es% &nswer: &  Diff: 1  Page Ref: Sec. 24.6 )+ '+) ow many d e!ectrons are associated with the meta! ion in Cr(. ) )+ D 5 &) 1 B) 2 C)  ) 4 *) ' &nswer: C  Diff: 3  Page Ref: Sec. 24.6 24.3 Short Answer Questions 1) 7hat is the o#idation state of the iron atom in Ca.a8e(C.) + D 5 &nswer:   Diff: 2  Page Ref: Sec. 24.1 2) The most common coordination numers are $$$$$$$$$ %$&nswer: 4 and +  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds ) 7hat is the coordination numer of the iron atom in Ca.a8e(C.) + D 5 &nswer: +  Diff: 1  Page Ref: Sec. 24.1 4) Ei#9coordinate comp!e#es enera!!y ha-e $$$$$$$$$$ eometry% &nswer: octahedra!  Diff: 1  Page Ref: Sec. 24.1 ') The numer of >free> ch!oride ions in an ionic coordination compound can e determined y treatin the compound with $$$$$$$$$ %$&nswer: &.0)  Diff: 1  Page Ref: Sec. 24.1 +) The secondary -a!ence in meta! ion comp!e#es is ca!!ed the $$$$$$$$ %$&nswer: coordination numer  Diff: 1  Page Ref: Sec. 24.1 3) 7ernerIs theory of primary and secondary -a!ences for transition meta! comp!e#es has i-en us the concepts of $$$$$$$$$$ and $$$$$$$$$ %$&nswer: o#idation state and coordination numer  Diff: 1  Page Ref: Sec. 24.1 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 6) Transition meta! ions with empty -a!ence orita!s act as $$$$$$$$$ %$&nswer: Lewis acids  Diff: 1  Page Ref: Sec. 24.1 ;) 7hat is the o#idation numer of the centra! meta! in Mo( 2 0) ' .0 ) DC! 2 &nswer:   Diff: 1  Page Ref: Sec. 24.1 1<) efine the che!ate effect% &nswer: Che!ate effect J an increased stai!ity of comp!e# compounds formed with che!atin (po!ydentate) !iands compared to those formed with monodentate !iands%  Diff: 1  Page Ref: Sec. 24.2 11) The che!ate effect is enhanced y po!ydentate !iand indin ecause of the chane in  $$$$$$$$$ %$&nswer: entropy  Diff: 2  Page Ref: Sec. 24.2 12) List three of the ten transition meta!s reuired for human !ife% &nswer: &ny three of: Co, Cu, Cr, 8e, Mn, @, =n, .i, Mo, Cd  Diff: 1  Page Ref: Sec. 24.2 Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 24: Chemistry of Coordination Compounds 1) Myo!oin has $$$$$$$$$$ heme roup(s) that ind(s) $$$$$$$$$ %$&nswer: 1F o#yen  Diff: 1  Page Ref: Sec. 24.2 14) "n photosynthesis, $$$$$$$$$$ mo!es of photons are reuired to form one mo!e of  $$$$$$$$$ %$&nswer: 46F !ucose  Diff: 2  Page Ref: Sec. 24.2 1') "n the !ea-es of p!ants, -isi!e !iht is asored y a compound ?nown as  $$$$$$$$$$, and is aided y a $$$$$$$$$$ ion onded to a porphyrin rin% &nswer: ch!orophy!!F M  Diff: 2  Page Ref: Sec. 24.2 1+) 7hat is the mechanism used in humans to comat !ood acteria! rowth -ia depri-ation of iron5 &nswer: fe-er  Diff: 2  Page Ref: Sec. 24.2 13) & !are difference in formation constant (f)  of a po!y9 -ersus monodentate !iand is ca!!ed $$$$$$$$$ %$&nswer: che!ate effect  Diff: 1  Page Ref: Sec. 24.2