The IUPAC name of the compound CH_3-CH(CH_3)- | vedclass

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Question

(D) $1$. Identify the longest carbon chain containing the functional group ($-OH$ group). The chain has $6$ carbon atoms,so the parent alkane is hexan

Vedclass · Accepted Answer

$3-$methyl $2-$hexanol

Vedclass · Answer

(D) $1$. Identify the longest carbon chain containing the functional group ($-OH$ group). The chain has $6$ carbon atoms,so the parent alkane is hexane.$2$. Number the chain from the end closer to the functional group $(-OH)$. Numbering from right to left gives the $-OH$ group at position $2$.$3$. The substituent $-CH_3$ (methyl group) is located at position $5$ if numbered from right to left,but wait,let's re-examine the structure: $CH_3-CH(CH_3)-CH_2-CH(OH)-CH_3$.$4$. Longest chain: $C_1(H_3)-C_2(H)(CH_3)-C_3(H_2)-C_4(H)(OH)-C_5(H_3)$ is a $5$-carbon chain (pentane).$5$. Numbering from right: $C_1(H_3)-C_2(H)(OH)-C_3(H_2)-C_4(H)(CH_3)-C_5(H_3)$.$6$. The substituent is at position $4$ (methyl) and the functional group is at position $2$ (ol). Thus,the name is $4-$methylpentan$-2-$ol.

The $IUPAC$ name of the compound $CH_3-CH(CH_3)-CH_2-CH(OH)-CH_3$ is .........

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