The major product of the reaction is

The correct statements about Cr²⁺ and Mn³⁺ is(are) (Atomic numbers of Cr = 24 and Mn = 25)

Fe³⁺ is reduced to Fe²⁺ by using

The % yield of ammonia as a function of time in the reaction

N₂(g) + 3H₂(g) $$\rightleftharpoons$$ 2NH₃(g), $$\Delta$$H < 0 at (P, T₁) is given below:

If this reactions is conducted at (P, T₂), with T₂ > T₁, the % yield of ammonia as a function of time is represented by