Which one of the following is correct for salt buffer ?
A
A solution of the salt of weak acid and weak base in water.
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B
A solution of the salt of strong acid and weak base in water.
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C
A solution of the salt of weak acid and strong base in water.
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D
None of the above
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Solution
The correct option is A A solution of the salt of weak acid and weak base in water. A solution of the salt of weak acid and weak base in water is called salt buffer.
for example-
Ammonium Cyanide (NH4CN) solution is a salt of weak acid (HCN) and weak base (NH4OH) in water.