Lawrie Ryan and Roger Norris Solutions for Chapter: Benzene and its Compounds, Exercise 1: BEFORE YOU START

The bond angles around a carbon atom in which its atomic orbitals are ${\mathrm{sp}}^2$ hybridised is likely to be:

How many electrons are involved in a pi$\left(\mathrm{\pi }\right)$ bond?

Describe the reaction mechanism when $\mathrm{HBr}$ is reacted with ethene, ${\mathrm{CH}}_2={\mathrm{CH}}_2$.

Discuss with a partner how you would name this compound:

Discuss what happens in the substitution reaction that takes place between either chloroethane and $\mathrm{NaOH}$ or chloroethane and $\mathrm{HCN}$.