“Exploring Organic Chemistry: Aldehydes, Ketones, Organometallic Compounds, Dienes, and Benzene Derivatives”

It’s 4 assignments on cengage for chemistry I have done some questions I will also post a picture of the 4 assignments name I will circle them the name of the 4 assignments are 
1. Aldehydes and ketones 
2. An introduction to organometallic compounds 
3. Dienes conjugated system and pericyclic reactions 
4. Reactions of benzene and its derivatives