Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Haloalkanes and Haloarenes

Question:

Identify the correct name of the given structure.

Options:

4,4'-dichlorodiphenyltrichloroethane

2,2-Dichlorodiphenyltrichloromethane

1,1,1-trichloro-2,2-dichlorodiphenylmethane

4,4-dichloro-2,2-dibenzo-2,2,2-trichloroethane

Correct Answer:

4,4'-dichlorodiphenyltrichloroethane

Explanation:

The correct answer is option 1. 4,4'-dichlorodiphenyltrichloroethane.

The given compound is DDT, and its structure is :

 In the given structure the parent chain is ethane in which two chlorobenzene's are attached and we number them separately according to nomenclature. From this we can determine name as 4,4'-dichlorodiphenyltrichloroethane.