Chapter: General Organic Chemistry (GOC)
Topic: Electronic Effects (Inductive, Mesomeric, Hyperconjugation, Electromeric)
Content: MCQ Questions & Solutions
Source: CSIR NET, GATE etc. Exams
Quiz PDF
Q1 Arrange the following in increasing
order of stability of carbocation
(a) C < B
< D < A
(b) C < B
< A < D
(c) A < B
< C < D
(d) A < C < B < D
Q2 Arrange the following in increasing
order of their carbonyl stretching frequency
(a) A < B
< C
(b) B < A
< C
(c) C < A
< B
(d) C < B
< A
Q3 What will be the decreasing order of
C=C stretching frequency
(a) A < B
< C < D
(b) D < C
< B < A
(c) D < B
< C < A
(d) A < C < B < D
Q4 The correct order of stability of carbocation
for following molecules is
(a) C < A
< B < D
(b) C < B
< D < A
(c) A < C
< B < D
(d) D < B
< A < C
Q5 The correct order of stability of
carbocation for following molecules is
(a) A < D
< B < C
(b) A < C
< B < D
(c) B < D
< C < A
(d) B < A < C < D
Q6 The correct order of stability of
carbocation for following molecules is
(a) A < B
< C
(b) C < B
< A
(c) B < A
< C
(d) B < C
< A
Q7 Most and least stable carbocation
among the following is, respectively,
(a) A, D
(b) C, A
(c) E, B
(d) C, D
Q8 The correct order of heat of
hydrogenation for following molecules is
(a) A > C
> B > D
(b) A > B
> C > D
(c) D > A
> C > B
(d) D > B
> A > C
Q9 Among the following molecules the
one that most readily deprotonates to form carbanion is
[GATE 2003]
Q10 Steric inhibition of resonance can
be expected in
Q11 Product of the following reaction
will be
Q12 Which of the following has most
stable conjugate acid
(a) (CH3)2NH2
(b) (CH3)3N
(c) C6H5NH2
(d) C6H5NHCH3
Q13 Which of the following will not be
soluble in aq. NaOH?
Q14 The homolytic cleavage of bond is
easiest in
Q15 The correct orientation of dipoles
in pyrrole and pyridine is
Answer Key
Q1.b Q2.b Q3.b Q4.a Q5.c Q6.b Q7.d Q8.a Q9.a Q10.c
Q11.a Q12.b Q13.d Q14.d Q15.a
Detailed Solution
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