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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
Environmental Chemistry

NTA Abhyas 2020 · Chemistry · Environmental Chemistry

Which of the following compounds is used in anti-knock compositions...

Which of the following compounds is used in anti-knock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe?

Options

  1. ABenzene
  2. BGlycol
  3. C1, 2-Dibromoethane
  4. DGlycerol

Correct answer

C. 1, 2-Dibromoethane

Step-by-step solution

1, 2-dibromoethane\text{1, 2-dibromoethane} compound is used in antiknock compositions to prevent lead from being deposited in the cylinder head. It is sufficiently volatile and can be removed with the exhaust gas from the exhaust pipe.
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