The `IUPAC` name of

Options

A. (1) `1,1,1`-trichloro-`2,2`-bis (p-chlorophenyl)ethane
B. (2) `2,2`-di (p-chlorophenyl)-`1,1,1`-trchloroe thane
C. (3) `2,2`-di(p-chlorophenyl)-`1,1,1`-trchloroe thane
D. (4) `1,1,1`-trichloro-`2,2`-di (p-chlorophenyl) ehtane

Answer

A

Explanation

The compound is commonly called `DDT`. It is a derivative of ethane. Alphabetically, chloro is given precedence over `p`-chlorophenyl. The name of a substituent carrying any kind of perfix is always enclosed within parentheses. Bis- is used in place of `di-`.