Question

Mustard gas is a

• A. oil gas
• B. poisonous gas
• C. fuel gas
• D. life gas

Answer 1

Answer: (B)

Mustard gas is $\beta ,{\beta }^{{}^{\prime }}$ -dichlorodiethylsulphide which is prepared by the action of sulphur monochloride on cthylenc.



Since it is highly poisonous, it is used in chemical warfare.