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The pH of 1N aqueous solutions HCl,CH(3)...

The pH of 1N aqueous solutions `HCl,CH_(3)COOH and HCOOH` follows the order

A

`HClgtHCOOHgtCH_(3)COOH`

B

`HCl=HCOOHgtCH_(3)COOH`

C

`CH_(3)COOHgtHCOOHgtHCl`

D

`CH_(3)COOH=HCOOHgtHCl`

Text Solution

Verified by Experts

The correct Answer is:
C
`{:(pH=-log[H^(+)]),(pHprop(1)/([H^(+)])):|`
Order of pH `CH_(3)COOHgtHCOOHgtHCl`
Acidic strength order `CH_(3)-underset(O)underset(||)C-OHltH-underset(O)underset(||)C-OHltHCl`
Acidic strength `prop` stability of Anion
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