in which of the following reactions, an increase in the volume of the container will favour the formation of products
a. 2NO₂(g) ⇌ 2NO(g) + O₂(g)
b. 4NH₃(g) + 5O₂(g) ⇌4NO(g) + 6H₂O(l)
c. 3O₂(g) ⇌2O₃(g)
d. H₂(g) + I₂(g) ⇌ 2HI(g)