Organic Chemistry 1 ACS Questions Final Exam questions with correct answers graded a+ asured excel!!

Organic Chemistry 1 ACS Questions
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?