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Ethene decolourises acidified potassium tetraoxomanganate(VII) solution. Which gas will decolourise bromine water?

Chemistry
NECO 2003
Ethene decolourises acidified potassium tetraoxomanganate(VII) solution. Which gas will decolourise bromine water?
  • A. CH4
  • B. C2H6
  • C. C3H6
  • D. C3H8
  • E. C6H6
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Correct Answer: Option C
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