Which one of the following pairs of isomers i | vedclass

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(B) Metamerism arises due to the difference in the nature of the alkyl groups attached to the same polyvalent functional group (like $-O-$,$-CO-$,$-NH

Vedclass · Accepted Answer

$CH_3-CH_2-CO-CH_2-CH_3$ and $CH_3-CO-CH_2-CH_2-CH_3$

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(B) Metamerism arises due to the difference in the nature of the alkyl groups attached to the same polyvalent functional group (like $-O-$,$-CO-$,$-NH-$,etc.).In the pair $CH_3-CH_2-CO-CH_2-CH_3$ (pentan$-3-$one) and $CH_3-CO-CH_2-CH_2-CH_3$ (pentan$-2-$one),the ketone functional group $(-CO-)$ is attached to different alkyl groups (ethyl-ethyl vs methyl-propyl). Thus,they are metamers.

Which one of the following pairs of isomers is an example of metamerism?

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$I$. $CH_3-CH_2-CH_2-CH_2-OH$
$II$. $CH_3-CH_2-CH(OH)-CH_3$
$III$. $(CH_3)_3C-OH$
$IV$. $CH_3-CH(CH_3)-CH_2-OH$
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$(A) CH_3-CH_2-CH_2-CO_2H$ and $(B) CH_3-CH(CO_2H)-CH_3$ are:

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