Answer to Question #73919 in Chemistry for Hafeez shar

Question

Nitrogen dioxide dissolves readily in water to form an acidic solution

1) Red
2) Blue
3) Black
4) Yellow

Answer 1

Nitrogen dioxide is a reddish-brown gas. It hydrolyses to give nitric acid and nitrous acid. The colour of the solution depends on the concentration. It starts from yellow and becomes brown when the concentration is high.
Answer: yellow.