JEE Main Chemistry question

Chemistry Equilibrium JEE Main

For a polyprotic acid say H₃PO₄, its three dissociation constant K₁, K₂ and K₃ are in the order:

(A)K₁ < K₂ < K₃
(B)K₁ > K₂ > K₃Correct
(C)K₁ = K₂ = K₃
(D)K₁ = K₂ > K₃

Answer: (B)

Solution

Successive dissociation constants of a polyprotic acid always decrease.

Question ID VK-136238