Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

Alkenes undergo reaction with aqueous hydrogen bromide. This reaction takes place through a carbocation intermediate. The more stable the intermediate is, the more quickly the reaction occurs. Which sequence correctly indicates an increase in the rate of reaction of the alkenes with hydrogen bromide?

  • Aethene, propene, 2-methylpropene
  • B2-methylpropene, ethene, propene
  • Cpropene, ethene, 2-methylpropene
  • Dpropene, 2-methylpropene, ethene

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