Q.
A mixture of acetic acid and sodium acetate acts as buffer solution around pH P and a mixture of ammonium chloride and ammonium hydroxide acts as a buffer around pH Q . P and Q respectively are
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a
9.25 and 4.75
b
4.75 and 9.25
c
8.74 and 3.87
d
3.87 and 8.74
answer is B.
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Detailed Solution
A mixture of acetic acid and sodium acetate is acidic buffer, solution around pH = 4.75 and a mixture of ammonium chloride and ammonium hydroxide basic buffer, around pH = 9.25
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