Electronic Displacement in a Covalent Bond ( Inductive Effect, Electromeric Effect, ... ) NEET Questions

Organic Chemistry - Some Basic Principles of Organic Chemistry

Electronic Displacement in a Covalent Bond ( Inductive Effect, Electromeric Effect, ... ) MCQ Questions


7.
What type of bond shift occurs in electromeric effect?
A.
Partial shift
B.
Temporary shift
C.
Complete shift
D.
No shift
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ANSWER :
C. Complete shift
8.

Which one is not an electron-withdrawing group?

A.

–NO2

B.

–CN

C.

–NH2

D.

–COOH

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ANSWER :

C. –NH2

9.
Hyperconjugation is also known as:
A.
No bond resonance
B.
Bond pair delocalization
C.
Electromeric transfer
D.
π-σ delocalization
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ANSWER :
A. No bond resonance
10.
Which of the following effects is not seen in saturated compounds?
A.
Inductive effect
B.
Hyperconjugation
C.
Resonance effect
D.
Electromeric effect
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ANSWER :
C. Resonance effect
11.
Resonance is possible when:
A.
Atoms are far apart
B.
There is a single bond
C.
Conjugated π system exists
D.
There are ionic bonds
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ANSWER :
C. Conjugated π system exists
12.
Which of the following stabilizes benzyl carbocation?
A.
Resonance only
B.
Hyperconjugation only
C.
Resonance and hyperconjugation
D.
Neither
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ANSWER :
B. Hyperconjugation only