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Answer in brief. Formic acid is stronger than acetic acid. Explain. - Chemistry

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Question

Answer in brief.

Formic acid is stronger than acetic acid. Explain.

Short/Brief Note
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Solution

  1. The negatively charged acetate ion (i.e., the conjugate base of acetic acid) gets destabilized by + I effect of – CH3 group.
  2. Lesser is the stabilization of the conjugate base, weaker is the acid.
  3. In formate ion, there is no such destabilization effect.

Thus, formic acid is stronger than acetic acid.

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Chemical Properties of Carboxylic Acids
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Chapter 12: Aldehydes, Ketones and Carboxylic acids - Exercises [Page 281]

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Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 12 Aldehydes, Ketones and Carboxylic acids
Exercises | Q 3.2 | Page 281

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