The compound whose 0.1M solution is more basic is:
A
Ammonium acetate
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B
Calcium carbonate
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C
Ammonium sulphate
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D
Sodium acetate
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Solution
The correct option is D Sodium acetate Sodium acetate is a salt of weak acid acetic acid and strong base sodium hydroxide. For aqueous solution of sodium acetate, pH=7+0.5pKa+0.5logc. Hence, pH will always grater than 7 and the solution will be basic.