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JEE Main 2005
Exam
JEE Main
Year
2005
Subject
Chemistry
Chapter
Carboxylic Acid Derivatives

JEE Main 2005 · Chemistry · Carboxylic Acid Derivatives

Among the following acids which has the lowest pK_ a value

Among the following acids which has the lowest pKa\mathrm{pK}_{\mathrm{a}} value

Options

  1. ACH3COOH\mathrm{CH}_3 \mathrm{COOH}
  2. BHCOOH\mathrm{HCOOH}
  3. C(CH3)2COOH\left(\mathrm{CH}_3\right)_2 \mathrm{COOH}
  4. DCH3CH2COOH\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}

Correct answer

B. HCOOH\mathrm{HCOOH}

Step-by-step solution

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