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Question
The correct order of decreasing acidity of the following aliphatic acids is:
Options
(CH3)3CCOOH > (CH3)2CHCOOH > CH3COOH > HCOOH
CH3COOH > (CH3)2CHCOOH > (CH3)3CCOOH > НСООН
HCOOH > CH3COOH > (CH3)2CHCOOH > (CH3)3CCOOН
HСООH > (CH3)3CCOOH > (CH3)2CHCOOH > CH3COOH
MCQ
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Solution
HCOOH > CH3COOH > (CH3)2CHCOOH > (CH3)3CCOOН
Explanation:
Acidic strength is inversely proportional to the +I effect. Hence the correct decreasing order of acidity is:
HCOOH > CH3COOH > (CH3)2CHCOOH > (CH3)3CCOOН
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