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


1.
Which effect is responsible for the stabilization of carbocation in propene?
A.
Inductive effect
B.
Hyperconjugation
C.
Resonance
D.
Resonance and hyperconjugation
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ANSWER :
B. Hyperconjugation
2.
Which of the following is a temporary effect?
A.
Resonance
B.
Inductive effect
C.
Electromeric effect
D.
Hyperconjugation
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ANSWER :
C. Electromeric effect
3.
In +I effect, electrons are pushed:
A.
Towards the group
B.
From group to atom
C.
Towards the atom
D.
From the atom to group
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ANSWER :
A. Towards the group
4.

Which group shows –I effect?

A.

–CH3

B.

–NO2

C.

–OCH3

D.

–C2H5

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ANSWER :

B. –NO2

5.

Which of these is not an electrophile?

NEET - 2018

A.

NO2+

B.

H+

C.

BF3

D.

Cl–

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ANSWER :

D. Cl–

6.

Which of the following shows +I effect?

A.

–OH

B.

–COOH

C.

–CH3

D.

–NO2

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ANSWER :

C. –CH3