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GK QUESTION#3262

What is the systematic name of acetylene, C₂H₂, used in welding and cutting?

  1. AEthyneCorrect answer
  2. BEthanoic anhydride
  3. CAzoethane
  4. DEthyl acetate
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Answer

A. Ethyne

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Explanation

The systematic name used here for acetylene, C₂H₂, is ethyne. It is used in oxyacetylene welding and cutting. Pure acetylene is odourless; commercial material can have an odour from impurities, so an unqualified odour claim is unnecessary for identifying it.

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