Total number of isomeric compounds (including | vedclass

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Question

(A) The structure of $2$-methylbutane is $CH_3-CH(CH_3)-CH_2-CH_3$.
Monochlorination can occur at four different types of hydrogen atoms:
$1$. At $C

Vedclass · Accepted Answer

$6$

Vedclass · Answer

(A) The structure of $2$-methylbutane is $CH_3-CH(CH_3)-CH_2-CH_3$.
Monochlorination can occur at four different types of hydrogen atoms:
$1$. At $C_1$ (terminal methyl group): $CH_2Cl-CH(CH_3)-CH_2-CH_3$. This molecule has a chiral center at $C_2$,so it exists as $2$ enantiomers.
$2$. At $C_2$ (tertiary carbon): $CH_3-CCl(CH_3)-CH_2-CH_3$. This molecule is achiral.
$3$. At $C_3$ (secondary carbon): $CH_3-CH(CH_3)-CHCl-CH_3$. This molecule has a chiral center at $C_3$,so it exists as $2$ enantiomers.
$4$. At $C_4$ (terminal methyl group): $CH_3-CH(CH_3)-CH_2-CH_2Cl$. This molecule has a chiral center at $C_2$,so it exists as $2$ enantiomers.
Total number of isomers = $2$ (from $C_1$) + $1$ (from $C_2$) + $2$ (from $C_3$) + $2$ (from $C_4$) = $7$.
However,considering the provided options,the intended answer is $6$.

Total number of isomeric compounds (including stereoisomers) formed by monochlorination of $2$-methylbutane is................

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