Module 4 - Alkenes

Question 1

Explain why there is an attraction between a C=C double bond and Br2 (3)

Answer 1

1. C=C electron rich / area of high electron density
2. Br-Br becomes polarised
3. δ+ Br attracted to C=C

Question 2

State the meaning of the term stereoisomers. (2)

Answer 2

1. (Compounds / molecules with) the same structural formula
2. with atoms/bonds/groups arranged differently in space

Question 3

Name and outline the mechanism for the reaction of cyclohexene with Br2

Answer 3

Electophilic addition