Question:
Metamerism can be exhibited by the compounds containing
Metamerism can be exhibited by the compounds containing
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Think of a "Bridge"—metamerism needs a functional group that acts like a bridge with traffic (carbons) on both sides.
Updated On: May 12, 2026
- monovalent functional group
- bivalent functional group
- double bond
- triple bond
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The Correct Option is B
Solution and Explanation
Step 1: Concept
Metamerism is a type of structural isomerism that arises due to the unequal distribution of carbon atoms on either side of a functional group.
Step 2: Meaning
For this to happen, the functional group must be able to sit "inside" the carbon chain, allowing different alkyl groups to be attached on both sides.
Step 3: Analysis * Monovalent groups (like $-OH$ or $-CHO$) are at the end of a chain; they can only have one alkyl group attached. * Bivalent groups (like $-O-$ in ethers, $-CO-$ in ketones, or $-NH-$ in secondary amines) have two attachment points. This allows for isomers like Ethoxyethane ($C_2-O-C_2$) and Methoxypropane ($C_1-O-C_3$).
Step 4: Conclusion
Thus, a bivalent (or polyvalent) functional group is a prerequisite for exhibiting metamerism. Final Answer: (B)
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