Which of the following is the correct structure of DDT ?

DDT stands for Dichlorodiphenyltrichloroethane. Its IUPAC name is $1,1,1$-trichloro-$2,2$-bis(4$-chlorophenyl)ethane.<br><br>It is prepared by heating chlorobenzene with chloral (trichloroacetaldehyde) in the presence of concentrated \text{H}_2\text{SO}_4$.

The structure consists of an ethane chain where carbon-$1$ is attached to three chlorine atoms (trichloro), and carbon-$2$ is attached to two $p$-chlorophenyl groups and one hydrogen atom. This matches the structure given in the first option.

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