Which of the following compounds has a wrong | vedclass

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(C) Let us analyze each option based on $IUPAC$ nomenclature rules:$A$. $CH_3CH_2CH_2COOCH_2CH_3$ is an ester. The alkyl group attached to oxygen is e

Vedclass · Accepted Answer

$CH_3-CH(OH)-CH(CH_3)-CH_3$: $3$-Methylbutan-$2$-ol

Vedclass · Answer

(C) Let us analyze each option based on $IUPAC$ nomenclature rules:$A$. $CH_3CH_2CH_2COOCH_2CH_3$ is an ester. The alkyl group attached to oxygen is ethyl,and the acid part has $4$ carbons (butanoate). So,the name is Ethyl butanoate. This is correct.$B$. $CH_3-CH(CH_3)-CH_2-CHO$. The longest chain has $4$ carbons. The aldehyde carbon is $C-1$. The methyl group is at $C-3$. So,the name is $3$-Methylbutanal. This is correct.$C$. $CH_3-CH(OH)-CH(CH_3)-CH_3$. The longest chain has $4$ carbons. Numbering should start from the end closer to the functional group $(-OH)$. So,$C-1$ is the rightmost carbon. The $-OH$ is at $C-2$ and the methyl group is at $C-3$. The correct name is $3$-Methylbutan-$2$-ol. The given name '$2$-Methyl-$3$-butanol' is incorrect because the numbering should prioritize the functional group.$D$. $CH_3-CH(CH_3)-CO-CH_2CH_3$. The longest chain has $5$ carbons. The ketone group is at $C-3$. The methyl group is at $C-2$. So,the name is $2$-Methylpentan-$3$-one. This is correct.Therefore,the wrong $IUPAC$ name is in option $C$.

Which of the following compounds has a wrong $IUPAC$ name?

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