For which reaction high pressure and high temperature is helpful in obtaining a high equilibrium yield
a. 2NF₃(g) ⇌ N₂(g) + 3F(g) - 54.40 kcal
b. N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + 22.08 kcal
c. Cl₂(g) + 2O₂(g) ⇌ 2ClO₂(g) - 49.40 kcal
d. 2Cl₂O₃(g) ⇌ 2Cl₂(g) + 7O₂(g) + 126.8 kcal