Question

The metals Cu, Hg, Pb and Zn react with concentrated HNO₃ acid to give ______.

पर्याय

• metal nitrates and nitrogen dioxide

• metal nitrates and ammonium nitrates

• metal nitrates and nitrogen

• metal nitrates and ammonia

Answer 1

The metals Cu, Hg, Pb and Zn react with concentrated HNO₃ acid to give metal nitrates and nitrogen dioxide.

Explanation:

Concentrated nitric acid behaves as a powerful oxidising agent and always yields NO₂ gas when reacting with these metals.