Hydrogen is not liberated when trioxonitrate(v)acid reacts with zinc because
-
A.
zinx is not rendered passive by acid -
B.
hydrogen produced is oxidized to water -
C.
oxides of nitrogen are produced -
D.
all nitrates are soluble in water -
E.
trioxonitrate(v)acid is a strong acid
Correct Answer: Option B
Explanation
When metals react with nitric acid, hydrogen gas is liberated. Nitric acid is a very strong oxidizing agent. So , it oxidizes the hydrogen gas formed during the reaction to form water and an oxide of nitrogen.
(Zn+4HNO_{3} to Zn(NO_{3})_{2} + 2NO_{2} + 2H_{2}O)