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Calculate the hydrolysis constant of a s...

Calculate the hydrolysis constant of a salt of week acid `(K_(a) = 2 xx 10^(-6))` and of a weak base `(K_(b) = 5 xx 10^(-7))`

A

`10^(-4)`

B

`10^(-2)`

C

`10^(-6)`

D

`10^(-8)`

Text Solution

Verified by Experts

The correct Answer is:
B
`K_(h)=(kw)/(k_(a).k_(b))=(10^(-14))/(2xx10^(-6)xx5xx10^(-7))`
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