Explain addition reactions.

Explain the addition reactions of benzene under drastic conditions.

Explain electrophilic addition reactions of ethylene with mechanism.

How many of the following addition reactions are syn addition reaction.

Would you expect benzaldehyde to be more reactive or less reactive in nucleophilic addition reactions than propanal? Explain your answer.

Benzene prefers substitution reactions than addition reactions. Why?

Write the mechanism of nucleophilic addition reactions of carbonyl compounds.

Write the mechanism of nucleophilic addition reactions of carbonyl compound .

The following is more reactive towards nucleophilic addition reactions