COMEDK Exam 2019 Solved Paper

When ∆ng i.e. difference in gaseous moles of product and reactant is zero, then pressure has no effect and it is equilibrium point for reaction.
‌N2(g)+O2(g)⇌2‌NO(g)
‌∆ng=2−(1+1)=0
∴ Pressure has no effect for this reaction.