Explain the free radical substitution of halogens in ethane with mechanism.

Explain the free radical polymerisation of styrene.

Write short notes on Free radical substitution reactions.

The free radical which is most stable is

When two free radicals collide

Following reaction, (CH_3)_3 CBr +H_2O to (CH_3)_3 COH +HBr is an example of elimination reaction free radical substitution nucleophilic substitution electrophilic substitution.

The most stable free radical is

In the free-radical chlorination of methane, the chain-intiation step involves the formation of:

In electrophilic substitution reactions of haloarenes, halogen atom is

Explain the mechanism of action of enzyme.