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COMEDK2013ChemistryHaloalkanes and Haloarenes

A gas formed by the action of alcoholic KOH on ethyl iodide, decolourises alkaline KMnO ₄ . The gas is

Options

  1. AC ₂ H ₆
  2. BCH ₄
  3. CC ₂ H ₂
  4. DC ₂ H ₄

Correct answer

D. C ₂ H ₄

Step-by-step solution

By the action of alc. KOH on ethyl iodide, ethylene gas is formed by elimination reaction. Ethylene decolourises alkaline KMnO ₄ .

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