Functional isomer is not possible for:
1. Alcohols
2. Aldehydes
3. Alkyl halides
4. Cyanides

Subtopic:  Structural Isomers |
 79%
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Given below are two statements: 
Assertion (A):  Pent-1-ene and pent-2-ene are position isomers.
Reason (R):  Position isomers differ in the position of a functional group or a substituent.

 

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.

Subtopic:  Structural Isomers |
 87%
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Consider the following four compounds:

(I)
(II)
(III)
(IV)

Which of the following pairs are position isomers?

1. I and II 2. II and III
3. II and IV 4. III and IV
Subtopic:  Structural Isomers |
 86%
From NCERT
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Consider the following four compounds.

I.                   
II.
III.
IV.

Consider the following pairs of compounds.

(a) II and III

(b) II and IV

(c) I and IV

(d) I and II

Choose the pairs given above that are not functional group isomers:

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Subtopic:  Structural Isomers |
 68%
From NCERT
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