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The pH of aqueous solution of ammonium f...

The pH of aqueous solution of ammonium formate is
`(pK_(a)` of HCOOH =3.7 and `NH_(3)=4.8)`

A

7

B

6

C

6.5

D

8.9

Text Solution

Verified by Experts

The correct Answer is:
C
For a salt of weak acid and weak base, its pH =`7+1/2 pK_(a)-1/2 pK_(b)`
`=7+(1)/(2)xx3.8 -1/2xx4.8=6.5`
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