Which of the following optically active compo | vedclass

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(A) Let us analyze each option for the number of chiral carbons and optical activity:$A$. $CH_3-CH(Br)-CH(Cl)-CH_3$: This molecule has two chiral carb

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$CH_3-CH(Br)-CH(Cl)-CH_3$

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(A) Let us analyze each option for the number of chiral carbons and optical activity:$A$. $CH_3-CH(Br)-CH(Cl)-CH_3$: This molecule has two chiral carbons (at $C2$ and $C3$). It is optically active.$B$. $CH_3-CH(OH)-CH_2-CH_3$: This molecule has one chiral carbon (at $C2$). It is optically active.$C$. $CH_3-CH=C=CH-CH_3$: This is an allene. It is optically active due to axial chirality,but it has zero chiral carbons.$D$. $2,2'-dinitro-6,6'-biphenyldicarboxylic acid$: This molecule exhibits atropisomerism due to restricted rotation around the single bond connecting the two benzene rings. It is optically active,but it has zero chiral carbons.Comparing the number of chiral carbons,option $A$ has the maximum number ($2$ chiral carbons).

Which of the following optically active compounds has the maximum number of chiral carbons?

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