Question

Identify x,y and z in the following balanced chemical reaction:
Cu + xHNO3(conc.) Cu(NO3)2 + yNO2 + zH2O
(a) 4, 2, 2 (b) 2, 4, 2 (c) 2, 2, 4 (d) 4, 2, 4

Answer 1

Answer:

a) 4,2,2 is the right ans..

Explanation:

Answer 2

Answer:

(a)4,2,2

Explanation: