In the preparation of `HNO_(3)`, we get NO gas by catalytic oxidation of ammonia. The moles of NO produced by the oxidation of two moles of `NH_(3)` will be.

Options

A. 2
B. 3
C. 4
D. 6

Answer

A

Explanation

Two moles of `NH_3` will produce 2 moles of NO on catalytic oxidation of ammonia in preparation of nitric acid
`4HNO_3 + 5O_2 underset("Pt/Rh gauge catalyst")overset(Delta)to 4NO(g) + 6H_2 O(l)`