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From separate solutions of sodium salts,...

From separate solutions of sodium salts, `NaW`, `NaX`, `NaY` and `NaZ` have `pH 7.0`, `9.0`, `10.0` and `11.0` respectively. When each solution was `0.1 M`, the strongest acid is:

A

`HW`

B

`HX`

C

`HY`

D

`HZ`

Text Solution

Verified by Experts

The correct Answer is:
A
The salt hydrolysis in each case occurs except NaW because its `pH=7`. Thus `HW` is strongest acid.
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