First slide

Ionization constants of weak acids, PH of weak acids

Question

The first, second and third dissociation constants of a polybasic acid are in the order

Easy

A

Ka₁> Ka₂ > Ka₃
B

Ka₁= Ka₂ = Ka₃
C

Ka₁< Ka₂ < Ka₃
D

Ka₁> Ka₂ = Ka₃

Solution

$K{a_1} > K{a_2} > K{a_3} > .....\$

Successive dissociation constants decreases.

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