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Dissociation constant values of few acid...

Dissociation constant values of few acids are given below. Arrange them in order of increasing acidic strength.
`(K_(a)" values "H_(2)SO_(3)=1.3 xx 10^(-2), HNO_(2)=4 xx 10^(-4), CH_(3)COOH=1.8 xx 10^(-5), HCN=4 xx 10^(-10))`

A

`HCN lt CH_3COOH lt HNO_2 lt H_2SO_3`

B

`CH_(3)COOH lt HNO_2 lt HCN lt H_2SO_3`

C

`CH_3COOH lt HCN lt H_2SO_3 lt HNO_2`

D

`HNO_2 lt H_2SO_3 lt CH_3COOH lt HCN`

Text Solution

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The correct Answer is:
A
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