Question

a reddish brown gas which is oxidising in nature​

Answer 1

Answer:

nitrogen dioxide

hope it helps u

Answer 2

Answer:

Nitrogen Dioxide

Explanation:

Nitrogen dioxide

Nitric oxide is a colorless, flammable gas with a slight odor. Nitrogen dioxide is a deep red-orange gas that is poisonous but not flammable. It, along with aerosols, is responsible for the reddish-brown color of smog.