Aniline behaves as a weak base. When 0.1M,50mL solution of aniline was mixed with 0.1M,25mL solution of HCl the pH of resulting solution was 8. The pH of 0.01M solution of anilinium chloride will be:
A
5
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B
4.5
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C
6
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D
6.5
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Solution
The correct option is A5 Given:
Milimoles of Aniline=0.1×50=5
Milimoles of HCl=0.1×25=2.5
Reaction taking place will be C6H5NH2+HCl⇌C6H5NH+3Cl− 5+2.5⇌0 2.5+0⇌2.5