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JIPMER 2013
Exam
JIPMER
Year
2013
Subject
Chemistry
Chapter
Carboxylic Acid Derivatives

JIPMER 2013 · Chemistry · Carboxylic Acid Derivatives

The correct order of increasing acidic strength is

The correct order of increasing acidic strength is

Options

  1. Aphenol <\lt ethanol <\lt chloroacetic acid <\lt acetic acid
  2. Bethanol <\lt phenol <\lt chloroacetic acid <\lt acetic acid
  3. Cethanol <\lt phenol <\lt acetic acid <\lt chloroacetic acid
  4. Dchloroacetic acid <\lt acetic acid <\lt phenol <\lt ethanol

Correct answer

C. ethanol <\lt phenol <\lt acetic acid <\lt chloroacetic acid

Step-by-step solution

Due to - I effect of Cl , chloroacetic acid is a stronger acid than acetic acid. Further dur to stablisation of phenoxide ion by resonance and no such stabilisation in case of ethoxide ion, phenol is a stronger acid than ethanol. Hence, overall acid strength increases in the order; ethanol <\lt phenol <\lt acetic acid <\lt chloroacetic acid.
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