Classification of Isomerism NEET Questions

Organic Chemistry - Hydrocarbons

Classification of Isomerism MCQ Questions


1.
Compounds with same molecular formula but different connectivity are called:
A.
Conformers
B.
Enantiomers
C.
Structural isomers
D.
Geometrical isomers
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ANSWER :
C. Structural isomers
2.
Geometrical isomerism is possible in:
A.
Alkanes
B.
Alkenes
C.
Alkynes
D.
Alkyl halides
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ANSWER :
B. Alkenes
3.
Which of these shows position isomerism?
A.
Ethanol & Methanol
B.
Propan-1-ol & Propan-2-ol
C.
Ethene & Ethyne
D.
Hexane & Cyclohexane
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ANSWER :
B. Propan-1-ol & Propan-2-ol
4.

The pair of compounds which are not isomers —

NEET - 2019

A.

CH3CH2OH & CH3OCH3

B.

C2H6O & C2H6O

C.

CH3COOH & HCOOCH3

D.

CH3CH2CH2OH & CH3CH(OH)CH3

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ANSWER :

C. CH3COOH & HCOOCH3

5.
Functional group isomerism is shown by:
A.
Alcohol & Ether
B.
Butane & Isobutane
C.
Ethanal & Ethanoic acid
D.
Acetone & Propan-2-ol
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ANSWER :
A. Alcohol & Ether
6.
Optical isomerism is due to:
A.
Planar structure
B.
Chiral center
C.
Double bond
D.
Ring strain
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ANSWER :
B. Chiral center