Question

Gammexane is

• A. chlorobenzene
• B. benzyl chloride
• C. bromobenzene
• D. benzene hexachloride

Answer 1

The Correct Option is D

To determine what "Gammexane" is, we need to examine the options provided. The term "Gammexane" refers to a chemical compound known as benzene hexachloride (BHC), specifically the gamma isomer. Let's explore the options given:

1. Chlorobenzene: This is a compound with the chemical formula C₆H₅Cl, consisting of a benzene ring with one chlorine atom. It is used in the manufacture of pesticides and other chemicals, but it is not Gammexane.
2. Benzyl chloride: This compound has the formula C₇H₇Cl and consists of a benzene ring bonded to a CH₂Cl group. This is used in synthesis and is different from Gammexane.
3. Bromobenzene: With the formula C₆H₅Br, this is similar to chlorobenzene, except it has a bromine atom instead of chlorine. It is used in chemical synthesis, but it is not Gammexane.
4. Benzene hexachloride (BHC): This compound is an organochlorine chemical consisting of a benzene ring with six chlorine atoms attached. Its gamma isomer, known as lindane, is specifically referred to as Gammexane. It has been used historically as an insecticide.

Based on the options and the chemical properties, "benzene hexachloride" is the correct answer for Gammexane. This compound comprises six chlorine atoms attached to a benzene ring, which specifically forms the gamma isomer used in various applications as an insecticide.

Therefore, the correct answer is:

Gammexane is benzene hexachloride.