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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 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
`pH gt 7` implies the solution is basic. Since salt on hydrolysis in water give basic solution. Therefore, it is a salt of weak acid strong base and undergoes anionic hydrolysis in aqueous solution
`A^(-) +HOH hArr HA +OH^(-)`
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