Question

Consider the following salts. Which one(s) when dissolved in water will produce an acidic solution?
1. NH4Cl 2. KHSO4
3. NaCN 4. KNO3
(1)2 and 3
(2)1 and 2
(3)Only 3
(4)2 and 4

Answer 1

Answer:

Since NH  

4

​  

Cl is salt of strong acid & weak base, it will form acidic solution.

Also, KHSO  

4

​  

 will form acidic solution as it will have [H  

+

] twice that of [OH  

−

] due to H  

2

​  

SO  

4

​  

 .

Hence 1 & 2 will give acidic solution.

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