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When substance X was added to a solution of bromine water, the solution became colourless....

Chemistry
WAEC 2018

When substance X was added to a solution of bromine water, the solution became colourless. X is likely to be

  • A. propane
  • B. propanoic acid
  • C. propyne
  • D. propanol
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Correct Answer: Option C
Explanation

Thus bromine water will be decolorized by alkynes due to the presence of two pi bonds available for reaction!


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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group