Which among the following carboxylic acids has the highest pK_a value?

Option 1 - HCOOH

Option 2 - C6H5COOH

Option 3 - O2NCH2COOH

Option 4 - CH3COOH

1 Views|Posted 4 months ago

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Vishal Baghel | Contributor-Level 10

4 months ago

Correct Option - 4

Detailed Solution:

Higher the acidic strength, lower will be the value of pK_a.

Correct order of pK_a is

$C H_{3} C O O H > C_{6} H_{5} C O O H > H C O O H > O_{2} N C H_{2} C O O H$

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Which among the following carboxylic acids has the highest pKa value?

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