Both Be and Al become passive on reaction with conc. nitric acid due to-

Options

A. the non reactive nature of the metal
B. the non reactive nature of the acid
C. the formation of an inert layer of oxide on the surface of the metals
D. none of these

Answer

B

Explanation

Both Be and Al are rendered passive due to the formation of inert, insoluble and impervious oxide layer on their surface.