JEE Main Chemistry question

Chemistry Equilibrium JEE Main

What happens to pH of a solution when NH₄Cl crystal is added to a dilute solution of NH₄OH?

(A)DecreasesCorrect
(B)Increases
(C)Remains unaffected
(D)All of these

Answer: (A)

Solution

Common-ion NH₄⁺ suppresses NH₄OH ionization, decreasing [OH⁻].

Question ID VK-136465