CH_3-CH(CH_3)-CH_2-CH_3 xrightarrow[hnu]{Cl_2 | vedclass

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(B) The reactant is $2$-methylbutane $(CH_3-CH(CH_3)-CH_2-CH_3)$. Monochlorination can occur at four different positions:$1.$ At $C1$: $ClCH_2-CH(CH_3

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$2$

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(B) The reactant is $2$-methylbutane $(CH_3-CH(CH_3)-CH_2-CH_3)$. Monochlorination can occur at four different positions:$1.$ At $C1$: $ClCH_2-CH(CH_3)-CH_2-CH_3$ ($1$-chloro-$2$-methylbutane). Here,$C2$ becomes a chiral center.$2.$ At $C2$: $CH_3-C(Cl)(CH_3)-CH_2-CH_3$ ($2$-chloro-$2$-methylbutane). No chiral center is formed.$3.$ At $C3$: $CH_3-CH(CH_3)-CHCl-CH_3$ ($2$-chloro-$3$-methylbutane). Here,$C3$ becomes a chiral center.$4.$ At $C4$: $CH_3-CH(CH_3)-CH_2-CH_2Cl$ ($1$-chloro-$3$-methylbutane). No chiral center is formed.Therefore,the total number of unique chiral centers generated is $2$.

$CH_3-CH(CH_3)-CH_2-CH_3 \xrightarrow[h\nu]{Cl_2}$
Number of chiral centers generated during monochlorination in the above reaction

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$CH_3-CH(CH_3)-CH_2-CH_3 \xrightarrow[h\nu]{Cl_2}$ Number of chiral centers generated during monochlorination in the above reaction