An aqueous solution of 0.1 M NH4Cl will have a pH closer to:
A
9.1
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B
8.1
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C
7.1
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D
5.1
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Solution
The correct option is D 5.1 Ammonium chloride is a salt of strong acid HCl and weak base NH4OH. In aqueous solution, ammonium chloride hydrolyzes to form acidic solution. Thus, its pH will be less than 7.