The IUPAC name of the following structure CH_ | vedclass

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(B) The given structure is $CH_3-CH(CH_3)-CO-CH_2-CH_2OH$. According to $IUPAC$ priority rules,the ketone group $(>C=O)$ has higher priority than the

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$1-$hydroxy-$4-$methylpentan-$3-$one

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(B) The given structure is $CH_3-CH(CH_3)-CO-CH_2-CH_2OH$. According to $IUPAC$ priority rules,the ketone group $(>C=O)$ has higher priority than the alcohol group $(-OH)$. Therefore,the principal functional group is the ketone,and the suffix is $-one$. The alcohol group is treated as a substituent named 'hydroxy'. Numbering the parent chain of $5$ carbons from the right side gives the alcohol group the lowest locant $(1)$ and the ketone group the locant $(3)$. The methyl group is at position $4$. Thus,the $IUPAC$ name is $1-$hydroxy-$4-$methylpentan-$3-$one.

The $IUPAC$ name of the following structure $CH_3-CH(CH_3)-CO-CH_2-CH_2OH$ is

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