Question

what happens when concentrated nitric acid is exposed to sunlight for long time

Answer 1

Explanation:

Exposure to light causes the formation of nitrogen dioxide, which gives the liquid a yellow color. Concentrated nitric acid containing dissolved nitrogen dioxide.Hope this would be helpful.

Answer 2

Answer: The nitric acid stored in a bottle turns yellow.

Explanation: In the presence of sunlight, nitric acid decomposes even at room temperature. The nitric acid stored in a bottle turns yellow. This colour is due to dissolved Nitrogen dioxide in Nitric acid. To avoid the decomposition, nitric acid is normally stored in coloured bottles.