Which one of the following is chiral?

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(B) molecule is chiral if it contains at least one chiral carbon atom (a carbon atom bonded to four different groups).In $1,3-$dibromo$-1-$chloropropa

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$1,3-$Dibromo$-1-$chloropropane

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(B) molecule is chiral if it contains at least one chiral carbon atom (a carbon atom bonded to four different groups).In $1,3-$dibromo$-1-$chloropropane $(CH_2Br-CH_2-CH(Cl)Br)$,the carbon atom at position $1$ is bonded to a hydrogen atom $(H)$,a chlorine atom $(Cl)$,a bromine atom $(Br)$,and a $2-$bromoethyl group $(-CH_2-CH_2-Br)$.Since all four groups attached to the $C-1$ carbon are different,it is a chiral center.Therefore,$1,3-$dibromo$-1-$chloropropane is chiral.

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