Given, HF + H_2O H_3O^+ + F^-; K_a F^-+ H_2O HF + OH^-; K_b which… - Vidyadip

MCQ

Given, $HF + H_2O \rightleftharpoons H_3O^+ + F^-; K_a$

$F^-+ H_2O \rightleftharpoons HF + OH^-; K_b$
which relation is correct

A
$K_b = K_w$
B
$K_b = 1/K_w$
✓
$K_a \times K_b = K_w$
D
$K_a/K_b = K_w$

✓

Answer

Correct option: C.

$K_a \times K_b = K_w$

c
$K_a \times K_b = K_w$

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