Question

In the preparation of $HNO_{3}$ we get $NO$ gas by catalytic oxidaton of ammonia. The moles of $NO$ produced by the oxidation of two moles of $NH_{3}$ will be

• A. 2
• B. 3
• C. 4
• D. 6

Answer 1

Answer: (A)

2

Answer 2

$4 NH _{3}+5 O _{2} \xrightarrow {\Delta} 4 NO +6 H _{2} O$ Or $2 NH _{3}+\frac{5}{2} O _{2} \longrightarrow 2 NO +3 H _{2} O$