Which of the following compounds forms an aqueous solution which is acidic when compared with water?
Barium chloride
Potassium carbonate
Aluminium sulphate
Sodium hydroxide
A
Sodium hydroxide
B
Barium chloride
C
Potassium carbonate
D
Aluminium sulphate
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Solution
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Barium chloride is comprises of weak base and strong acid, therefore on reaction with water makes the solution acidic. It is an acidic salt.
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