1.

If pK_(a) of acetic acid and pK_(b) of ammonium hydroxide are 4.76 each. The pH of ammonium acetate is

Answer»

7
Less than 7
More than 7
Zero

Solution :pH of a SALT of weak ACID and weak BASE is
`pH = 7 + (1)/(2)pK_(a) - (1)/(2)pK_(a)`
`pH = 7 + (1)/(2) xx 4.76 - (1)/(2) xx 4.76 = 7`.


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