Question

The chemical formula of 'tear gas' is

• A. $COCl_2$
• B. $CO_2$
• C. $Cl_2$
• D. $CCl_3NO_2$

Answer 1

Answer: (D)

$CCl_3NO_2$

Answer 2

Chloropicrin is also known as tear gas. It is obtained by the reaction of chloroform with nitric acid. $CHCl_3 + HNO_3 \rightarrow \underset{\text{chloropicrin(tear gas)}}{CCl_3NO_2} + H_2O$