The pair of molecules that are metamers among the following is:
1
2.
3.
4.
Subtopic:  Structural Isomers | Conformational Isomers |
 72%
Level 2: 60%+
NEET - 2026
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Given below are two statements:
Statement I: trans-But-2-ene upon treatment with Br2 in CCl4 gives the following product.
Statement II: cis-But-2-ene upon treatment with alkaline KMnO4 gives the following product.

In the light of the above statements, choose the most appropriate answer from the options given below.
1.  Statement I is incorrect but Statement II is correct
2.  Both Statement I and Statement II are correct
3.  Both Statement I and Statement II are incorrect
4.  Statement I is correct but Statement II is incorrect
Subtopic:  Nomenclature | Structural Isomers | Conformational Isomers |
Level 4: Below 35%
NEET - 2026
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Consider the following reaction sequences and choose the correct option:

1. M and N are stereoisomers
2. K and L are geometrical isomers
3. K and L are enantiomers
4. M and N are geometrical isomers
Subtopic:  Structural Isomers | Stereo Isomers |
 78%
Level 2: 60%+
NEET - 2026
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The compound which shows metamerism is: 

1. C3H6O 2. C4H10O
3. C5H12 4. C3H8O
Subtopic:  Structural Isomers |
 68%
Level 2: 60%+
NEET - 2021
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Which of the following pair of structures are shown in the given figure?

 and .

1. Resonating structures

2. Tautomers

3. Geometrical isomers

4. Optical isomers

Subtopic:  Structural Isomers |
 73%
Level 2: 60%+
AIPMT - 2002
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