KCET2013ChemistryCarboxylic Acid Derivatives
When formic acid is heated with conc. H ₂ SO ₄ , the gas evolved is
Options
- AOnly CO ₂
- BOnly CO
- Ca mixtue of CO and CO ₂
- 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