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KCET2013ChemistryCarboxylic Acid Derivatives

When formic acid is heated with conc. H ₂ SO ₄ , the gas evolved is

Options

  1. AOnly CO ₂
  2. BOnly CO
  3. Ca mixtue of CO and CO ₂
  4. Da mixtue of SO ₂ and CO ₂

Correct answer

B. Only CO

Step-by-step solution

When warmed with conc. H ₂ SO ₄ , formic acid gives CO and H ₂ O . HCOOH conc. H ₂ SO ₄ CO + H ₂ O

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