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The pK(a) value of acids A,B,C and D are...

The `pK_(a)` value of acids A,B,C and D are 2.3,3.2,4 and 5 respectively . The strongest acid amonst them is

A

A

B

B

C

C

D

D

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The correct Answer is:
A
Lower the value of `pK_(a)` ,more is dissociation constant stronger is the acid.
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