First slide

Acidic buffer

Question

Which of the following salts will give highest pH in water?

Easy

A

KCl
B

NaCl
C

$N a_{2} C O_{3}$
D

$C u S O_{4}$

Solution

$N a_{2} C O_{3}$ which is a salt of NaOH (strong base) and $H_{2} C O_{3}$ (weak acid) will produce a basic solution with pH greater than 7,due to anionic hydrolysis.

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