Copper metal dissolves in concentrated trioxonitrate (V) acid with the resultant evolution of?
A
CO2
B
SO2
C
NO2
D
CO
Verified Correct Answer: C.
Chemical Principles & Mechanism
Oxidation of Copper turnings with concentrated trioxonitrate (V) acid wil
Cu + 4HNO\(_3\) → CuNO\(_3\) + 2H\(_2\)O +2NO\(_2\).
Source: WAEC / JAMB / NECO Classroom Archive (Record #4343)