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NEETChemistryHydrocarbons

What happens when alcohols are heated with concentrated sulfuric acid?

Options

  1. AThey form water and carbon dioxide.
  2. BThey form aldehydes.
  3. CThey form alkenes with the elimination of water.
  4. DThey remain unchanged.

Correct answer

C. They form alkenes with the elimination of water.

Step-by-step solution

Alcohols, when heated with concentrated sulfuric acid, undergo acidic dehydration to form alkenes with the elimination of water.

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