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Alkenes

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Question 11

Iodine monochloride (IClI\text{Cl}ICl) reacts with propene (CH3CH=CH2CH_3CH=CH_2CH3​CH=CH2​) via an electrophilic addition mechanism. Chlorine is more electronegative than iodine.

Which of the following is the major organic product and the correct explanation for its formation?

A

1-chloro-2-iodopropane, because the reaction proceeds via the more stable secondary carbocation intermediate.

B

2-chloro-1-iodopropane, because the reaction proceeds via the more stable primary carbocation intermediate.

C

2-chloro-1-iodopropane, because the reaction proceeds via the more stable secondary carbocation intermediate.

D

1-chloro-2-iodopropane, because the reaction proceeds via the more stable primary carbocation intermediate.

Markscheme

Alkenes Questions

  1. A Level
  2. /Chemistry
  3. /Alkenes

22 exam-style questions on AQA A Level Chemistry Alkenes, covering Structure, bonding and reactivity, Addition reactions of alkenes, and Addition polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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