Question

Why metals such as Cr,Al do not dissolve in con. HNO3?

Answer 1

$ASSALAMUALAIKUM$

»metals such as Cr,Al do not dissolve in con. HNO3 because of formation of a passive film of oxide on the surface.

$INSHAALLAH it will help you!$

$\mathbb{\huge{A.K.}}$

Answer 2

heya...!!!

✔here is ua answer:

➡Metals such as Cr,Al do not dissolve in con. HNO3 because of formation of a passive film of oxide on the surface.

hope it helps..!!❤