See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

(A) As some ammonia is removed by 2nd reaction, some N2H4 would decompose to restore 1st equilibrium. (B) As 1 2 K <K , less ammonia will be formed than it is decomposed. (C) Partial pressure of N2 will increase but it cannot be predicated with guarantee that it would be doubled.