Which of the following molecules does not con | vedclass

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Question

(B) chiral carbon is a carbon atom bonded to four different groups.$1$. $2, 2-$ Dimethyl $-1, 3-$ dibromo hexane: The carbon at position $3$ is bonded

Vedclass · Accepted Answer

Neopentyl chloride

Vedclass · Answer

(B) chiral carbon is a carbon atom bonded to four different groups.$1$. $2, 2-$ Dimethyl $-1, 3-$ dibromo hexane: The carbon at position $3$ is bonded to $-H, -Br, -CH_2-C(CH_3)_2-CH_3$ and $-CH_2-CH_2-CH_3$. Since all four groups are different,it is chiral.$2$. Neopentyl chloride $(CH_3-C(CH_3)_2-CH_2-Cl)$: The central carbon is bonded to two identical $-CH_3$ groups,and the terminal carbon is bonded to two identical $-H$ atoms. No carbon is bonded to four different groups. Thus,it is achiral.$3$. $2-$ Chloro butane $(CH_3-CHCl-CH_2-CH_3)$: The carbon at position $2$ is bonded to $-H, -Cl, -CH_3$ and $-CH_2-CH_3$. It is chiral.$4$. $2-$ Pentanol $(CH_3-CH(OH)-CH_2-CH_2-CH_3)$: The carbon at position $2$ is bonded to $-H, -OH, -CH_3$ and $-CH_2-CH_2-CH_3$. It is chiral.Therefore,Neopentyl chloride does not contain a chiral carbon.

Column-$I$ (Acids)	Column-$II$ ($IUPAC$ name)
$A$. Phthalic acid	$1$. Hexane$-1,6-$dioic acid
$B$. Oxalic acid	$2$. Benzene$-1,2-$dicarboxylic acid
$C$. Succinic acid	$3$. Pentane$-1,5-$dioic acid
$D$. Adipic acid	$4$. Butane$-1,4-$dioic acid
$E$. Glutaric acid	$5$. Ethane$-1,2-$dioic acid

Which of the following molecules does not contain a chiral carbon?

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