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Rank the carboxylic acids in increasing order of acid strength: CH2Cl-CH2-COOH, CHCI2-COOH, CH3-COOH, CH₂CI-COOH
Accepted Answer
The increasing order of acid strength is: CH3-COOH This is because electron-withdrawing groups like chlorine (Cl) increase the acidity of carboxylic acids. The more electron-withdrawing groups present, the stronger the acid. In this case, CHCI2-COOH has two chlorine atoms directly attached to the carboxyl group, making it the strongest acid. CH2Cl-CH2-COOH has one chlorine atom further away from the carboxyl group, making it a weaker acid than CHCI2-COOH. CH₂CI-COOH has one chlorine atom directly attached to the carboxyl group, making it a stronger acid than CH3-COOH which has no chlorine atoms.
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