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GK QUESTION#3272

Assertion (A): Ethylene, also known as olefiant gas, is used as a raw material in the production of anesthetics and refrigerants. Reason (R): Ethylene is an alkene with the molecular formula C₂H₆ and contains only single bonds.

  1. AA is true, but R is falseCorrect answer
  2. BBoth A and R are true, and R is the correct explanation of A
  3. CBoth A and R are true, but R is not the correct explanation of A
  4. DBoth A and R are false
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Answer

A. A is true, but R is false

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Explanation

Ethylene is ethene, C₂H₄, historically called olefiant gas. It can serve as a feedstock for ethyl chloride, whose documented uses include refrigerant and local anaesthetic applications. Ethylene contains a C=C double bond, so the reason giving C₂H₆ and only single bonds is false.

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