Question

i) Cu + HNO 3(conc.)​

Answer 1

Answer:

Nitric acid reacts with copper according to the reaction: 4 HNO3(l) + Cu(s) ==>

Explanation:

Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor. Place the copper disk in the bottom of the glass cylinder.