Question

62.
Two moles of ammonia is introduced in a evacuated 500 mL vessel at high temperature. The decomposition
reaction is : 2NH,(g) = N(g) + 3H,(g)
At the equilibrium NH, becomes 1 mole then the K would be :-
1) 0.42
2) 6.75
3) 1.7
4) 1.5​

Answer 1

Answer:

1 .7 is the answer. but how is possible