Question

Which gas is evolved when copper is treated with dilute HNO3?

Answer 1

nitrogen dioxide (NO2) is released

Answer 2

hi Buddy
here's your answer looking for

Mainly, there is one exception when metal reacts with the acid, and that is of the nitric acid .

basically when other metals react with the acid the evolves hydrogen gas but but in the case of nitric acid the nitric oxide evolves.

Answer:- but the answer of your question will be *NO REACTION AT ALL* . XD yeah no reaction.

copper is less reactive than hydrogen. So, no displacement reaction will occur at all.

So, no gas gonna evolve. XD

hope, you are satisfied with my answer.