Chemistry 9701 · AS & A Level · Halogen compounds

Halogen compounds — practice question

The conversion of propene into propan-2-ol may be done in two steps, as shown by the equations below. reaction 1: $\text{CH}_3\text{CH}=\text{CH}_2(g) + \text{HI}(g) \rightarrow \text{CH}_3\text{CHICH}_3(l)$ reaction 2: $\text{CH}_3\text{CHICH}_3(l) + \text{KOH}(aq) \rightarrow \text{CH}_3\text{CH(OH)CH}_3(aq) + \text{K}^+(aq) + \text{I}^- (aq)$ What description is given for these two reactions?

  • Areaction 1: addition; reaction 2: elimination
  • Breaction 1: addition; reaction 2: substitution
  • Creaction 1: elimination; reaction 2: substitution
  • Dreaction 1: substitution; reaction 2: elimination

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