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Which of the following anions is the wea...

Which of the following anions is the weakest base ?

A

`C_(2)H_(5)O^(-)`

B

`CN^(-)`

C

`CH_(3)COO^(-)`

D

`NO_(3)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
The stronger the conjugate acid, the weaker the conjugate base. Since `HNO_(3)` is the strongest acid, its conjugate base `(NO_(3)^(-))` is the weakest base.
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