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Given below are the dissociation constan...

Given below are the dissociation constant values of few acids. Arrange them in order of increasing acidic strength.
`H_(2)SO_(3)=1.3xx10^(-2),HNO_(2)=4xx10^(-4)`
`CH_(3)COOH=1.8xx10^(-5),HCN=4xx10^(-10)`

A

`HCNgtCH_(3)COOHgtHNO_(2)gtH_(2)SO_(3)`

B

`CH_(3)COOHltHNO_(2)ltHCNltH_(2)SO_(3)`

C

`CH_(3)COOHltHCNltH_(2)SO_(3)ltHNO_(2)`

D

`HNO_(2)ltH_(2)SO_(3)ltCH_(3)COOHltHCN`

Text Solution

Verified by Experts

The correct Answer is:
A
Acidic strength `prop sqrt(K_(a))`
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NCERT FINGERTIPS-EQUILIBRIUM -Ionization Of Acids And Bases
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