Question

Photochemical oxidants such as PAN and PBN are formed :
A. by the action of nitrogen oxides on hydrocarbons in the presence of sunlight.
B. by the action of carbon dioxide on hydrocarbons in the presence of sunlight.
C. by the action of hydrogen sulphide on hydrocarbons in the presence of sunlight.

• A. A
• B. B
• C. B and C
• D. A and C

Answer 1

Answer: (A)

A

In presence of sunlight, nitrogen oxides react with hydrocarbons to form photochemical oxidants PAN (peroxyacetyl nitrate) and PBN (peroxy benzoyl nitrate).
Option A.