Which of the following pairs are metamers?

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Question

(C) Metamerism is a type of structural isomerism that arises due to the different distribution of alkyl groups on either side of a polyvalent function

Vedclass · Accepted Answer

$CH_3-C_6H_4-NH-C_6H_{11}$ and $Ph-NH-C_6H_{10}-CH_3$ (Metamers)

Vedclass · Answer

(C) Metamerism is a type of structural isomerism that arises due to the different distribution of alkyl groups on either side of a polyvalent functional group (like $-NH-$,$-O-$,$-S-$,etc.).In option $C$,the first molecule is $p-CH_3-C_6H_4-NH-C_6H_{11}$ (where the $NH$ group is attached to a $p-tolyl$ group and a $cyclohexyl$ group).The second molecule is $Ph-NH-C_6H_{10}-CH_3$ (where the $NH$ group is attached to a $phenyl$ group and a $methylcyclohexyl$ group).Since the alkyl groups attached to the nitrogen atom are different in the two structures,they are metamers.

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