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A salt X is dissolved in water having pH...

A salt `X` is dissolved in water having `pH =7`. The resulting solution has a `pH` more than `7`. The salt is made by neutralisation of

A

A strong acid and strong base

B

A strong acid and strong weak base

C

A weak acid and weak base

D

A weak acid and strong base

Text Solution

Verified by Experts

The correct Answer is:
D
Salt of `W_(A)//S_(B)` hydrolyse and the solution is basic, i.e., `pH gt 7`.
`pH = (1)/(2) (pK_(w) + pK_(a) + logC)`
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