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NEET levelSingle correct optionDifficulty 1 of 3ap131

Ethanol is heated with conc. at 413 K with the alcohol in excess. The main product is

  1. Aethanal
  2. Bethoxyethane
  3. Cethene
  4. Dethyl hydrogen sulfate only, with no further change

Answer: B

At 413 K and with excess alcohol, ethyl hydrogen sulfate reacts with another ethanol molecule by SN2 to give diethyl ether (ethoxyethane). Ethene forms at 443 K when the acid is in excess.
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