Question

(chapter- metals and nonmetals)- what happens when copper reacts with nitric acid ? which gas is evolved and what is the product formed ?

Answer 1

Nitric acid reacts with copperaccording to the reaction: 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. Nitrogen dioxide is the product.The nitrogen dioxide is a maroon vapor.