Which of the following alkanes with the lowes | vedclass

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(C) An alkane is optically active if it contains at least one chiral carbon atom (a carbon atom bonded to four different groups).$2-$ Methyl pentane:

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$3-$ Methyl hexane

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(C) An alkane is optically active if it contains at least one chiral carbon atom (a carbon atom bonded to four different groups).$2-$ Methyl pentane: $CH_3-CH(CH_3)-CH_2-CH_2-CH_3$ (No chiral carbon).$3-$ Methyl pentane: $CH_3-CH_2-CH(CH_3)-CH_2-CH_3$ (No chiral carbon).$3-$ Methyl hexane: $CH_3-CH_2-CH(CH_3)-CH_2-CH_2-CH_3$. The $C_3$ atom is bonded to $-H$,$-CH_3$,$-CH_2CH_3$,and $-CH_2CH_2CH_3$. Since all four groups are different,it is chiral.$3-$ Methyl hexane has $7$ carbon atoms,which is the lowest number among the options provided that exhibits optical activity.

Which of the following alkanes with the lowest number of carbon atoms is optically active?

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