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Two gas cylinders contain ethylene (ethene) and acetylene respectively. One test which can be used...

Chemistry
JAMB 1978

Two gas cylinders contain ethylene (ethene) and acetylene respectively. One test which can be used to distinguish between them is by?

  • A. passing each gas through bromine water
  • B. passing each gas through dilute potassium permanganate solution
  • C. passing each gas through silver nitrate solution
  • D. treating each gas catalytically with excess hydrogen gas
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Correct Answer: Option C
Explanation

Acetylene reacts with ammoniacal AgNO3 solution to form a white precipitate of silver acetylide (AgC-=Cag) but ethylene does not

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