Copper metal dissolves in concentrated trioxonitrate (V) acid with the resultant evolution of?
CO2
SO2
NO2
CO
Correct answer is C
Oxidation of Copper turnings with concentrated trioxonitrate (V) acid wil
Cu + 4HNO\(_3\) → CuNO\(_3\) + 2H\(_2\)O +2NO\(_2\).