Final Exam questions with correct
answers graded a+ asured excel!!
sp,elineare-eeCORRECTeANSWERS-
WhicheisetheecorrectehybridizationestateeandegeometryeforetheecarboneatomeineHCN?
sp,elinear
sp2,etrigonaleplanar
sp3,etetrahedral
Noneeofetheeabove
Thisestructureehaseoneepositiveechargeeandeoneenegativeecharge.e-eeCORRECTeANSWERS-
Theefollowingestructureehasebeenedrawnewithouteformalecharges.eWhichestatementedescribesethee
missingeformalecharge(s)?
Thisestructureehaseoneepositiveechargeeandeoneenegativeecharge.
Thisestructureehaseoneepositiveechargeebutenoenegativeecharges.
Thisestructureehaseoneenegativeechargeebutenoepositiveecharges.
Thisestructureehasenoeformalecharges.
sp2-sp3e-eeCORRECTeANSWERS-Theeindicatedeσebonderesultsefrometheeoverlapeofewhicheorbitals?
sp2-sp2
sp-sp3
sp-sp2
sp2-sp3
Trigonaleplanare-eeCORRECTeANSWERS-
Ofetheefollowingemolecularegeometries,ewhichehasetheelargestebondeangle?
,Pyramidal
Tetrahedral
Trigonaleplanar
Bent
13e-eeCORRECTeANSWERS-Howemanyeσebondseareeinetheefollowingecompound?
8
9
13
14
Y,ebecauseetheedipoleemomentsedoenotefullyecancel.e-eeCORRECTeANSWERS-
Whichecompoundehasetheehighereboilingepoint?eExplainebriefly.
X,ebecauseetheedipoleemomentseareefareapart.
Y,ebecauseetheedipoleemomentsedoenotefullyecancel.
Y,ebecauseeiteiselessebranched.
X,ebecauseeiteisemoreelinear.
6e-eeCORRECTeANSWERS-
Howemanyehydrogeneatomseareeinetheecompounderepresentedebyetheefollowingebond-
lineedrawing?
5
6
7
8
, D)e9e5e-eeCORRECTeANSWERS-Theecompounderepresentedebyetheefollowingebond-
lineedrawingehasehowemanyecarboneatomseandehowemanyeπebonds?
Ceatoms
πebonds
(a)
10e6
(b)
10e5
(c)
9 e6
(d)
9 e5
Ce-eeCORRECTeANSWERS-
Alleofetheefollowingeareesignificanteresonanceestructureseofetheebenzylecarbocation,eEXCEPT:
Ae-eeCORRECTeANSWERS-
Whicheofetheefollowingeresonanceestructureseisetheemostesignificantecontributoretoetheeresonancee
hybrid?
De-eeCORRECTeANSWERS-Whicheofetheefollowingestructureseexhibitseanesp3-
hybridizedenitrogeneatom?
Ce-eeCORRECTeANSWERS-Whicheiseaebond-lineedrawingeofe(CH3)2CHCH2OC(CH3)3?
Ce-eeCORRECTeANSWERS-
Whicheofetheefollowingehasetheecorrectecurvedearrow(s)eplacementetoeshoweresonanceeforetheegiv
eneallylicecarbocation?