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AP EAMCET2014ChemistryBiomolecules

The charring of sugar takes place when treated with concentrated H ₂ SO ₄ . What is the type of reaction involved in it?

Options

  1. ADehydration reaction
  2. BHydrolysis reaction
  3. CAddition Reaction
  4. DDisproportionation reaction

Correct answer

A. Dehydration reaction

Step-by-step solution

The charring of sugar is its dehydration process. When sugar is treated with conc. H ₂ SO ₄ , water molecules gets escaped and sugar charcoal is formed. Due to its further reaction with acid, smell of SO ₂ is obtained. array rl C ₁₂ H ₂₂ O ₁₁+ [ H ₂ SO ₄ ] & Sugar & 12 C + [ H ₂ O + H ₂ SO ₄ ] & Sugar charcoal C +2 H ₂ SO ₄ & 2 SO ₂+ CO ₂+2 H ₂ O array

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