Multiple choice general knowledge science & technology

The chemical (ethyl merceptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of

  1. bromine

  2. fluorine

  3. chlorine

  4. sulphur
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethyl mercaptan (ethanethiol, C2H5SH) is a sulfur-containing organic compound added to odorless LPG in trace amounts. The sulfur atoms give it the extremely strong, unpleasant smell that alerts users to gas leaks.

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