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Acidity of Carboxylic Acids

The acidity o...

Question

The acidity of the compounds $R C O O H, H_{2} {C O}_{3}, C_{6} H_{5} O H, R O H$ decreases in the order :

R C O O H > H_{2} {C O}_{3} > C_{6} H_{5} O H > R O H

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C_{6} H_{5} O H > R C O O H > H_{2} {C O}_{3} > R O H

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R O H > C_{6} H_{5} O H > R C O O H > H_{2} {C O}_{3}

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H_{2} {C O}_{3} > R C O O H > C_{6} H_{5} O H > R O H

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Solution

The correct option is B $R C O O H > H_{2} {C O}_{3} > C_{6} H_{5} O H > R O H$
The decreasing order of the acidity of given compounds is $R C O O H > H_{2} {C O}_{3} > C_{6} H_{5} O H > R O H$

Carboxylic acids are most acidic and alcohols are least acidic. Phenols are more acidic than alcohols but less acidic than carboxylic acids or carbonic acid.

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