What is the IUPAC name of the compound CH_3-C | vedclass

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(B) $1$. Identify the principal functional group: The ketone group $(-C=O)$ has higher priority than the alcohol group $(-OH)$. Thus,the parent chain

Vedclass · Accepted Answer

$2-	ext{hydroxy}-4-	ext{methyl}-3-	ext{pentanone}$

Vedclass · Answer

(B) $1$. Identify the principal functional group: The ketone group $(-C=O)$ has higher priority than the alcohol group $(-OH)$. Thus,the parent chain is a ketone,and the suffix is $-one$.
$2$. Number the chain: Start numbering from the end that gives the ketone group the lowest possible locant. Numbering from left to right gives the ketone at position $3$. Numbering from right to left also gives the ketone at position $3$.
$3$. Apply priority rules: With the ketone at $C-3$,we check the substituents. Numbering from right to left gives the $-OH$ group at $C-2$ and a methyl group at $C-4$. Numbering from left to right gives a methyl group at $C-2$ and the $-OH$ group at $C-4$. Since $-OH$ (hydroxy) has higher priority than $-CH_3$ (methyl) for numbering,we prefer the path that assigns the lower number to the hydroxy group.
$4$. Therefore,the correct numbering is from right to left: $C-1$ (end of chain),$C-2$ (with $-OH$),$C-3$ (ketone),$C-4$ (with $-CH_3$),$C-5$ (end of chain).
$5$. The name is $2-	ext{hydroxy}-4-	ext{methylpentan}-3-	ext{one}$.

What is the $IUPAC$ name of the compound $CH_3-CH(CH_3)-C(=O)-CH(CH_3)-OH$?

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