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Acidity of Carboxylic Acids

The acid stre...

Question

The acid strength of active methylene group in given compounds decreases as :
(a) $C H_{3} C O C H_{2} C O O C_{2} H_{5}$
(b) $C H_{3} C O C H_{2} C O C H_{3}$
(c) $C_{2} H_{5} O O C C H_{2} C O O C_{2} H_{5}$

a > b > c

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c > a > b

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a > c > b

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b > a > c

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Solution

The correct option is D $b > a > c$
$+ I$ effect in ester is more compared to ketone hence methylene anion will be more stable in case of ketone leading to more stable anion and more acidity.

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