For two acids A and B, $p K_{a}$ = $1.2$ , $p K_{b}$ = $2.8$ respectively in value, then which of the following

is true

A and B both are equally acidic

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A is stronger than B

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B is stronger than A

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Neither A nor B is strong

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None of the options are correct.

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Solution

The correct option is B
A is stronger than B

The value of $p K_{a}$ for strong acid is less.

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