ALKENES

How are σ-bonds formed?

How are π-bonds formed?

What are stereoisomers?

What is a structural isomer?

Why is rotation not normally possible around a C=C double bond?

What features must be present in a molecule if it can exist as a pair of E/Z isomers?

What does a curly arrow signify?

What is the meaning of the term electrophile?

What type of bond-breaking occurs during electrophilic addition?

The cheapest way of disposing decommissioned polybutylene is to bury it in landfill. What is the disadvantage of this?

3 alternative methods of dealing with the waste polybutylene, which are more sustainable than burial in landfill?

What is the systematic name of PVC?

PVC can be disposed of by combustion, provided precautions are taken to prevent pollution problems. Why?

What does biodegradable mean?

What does photodegradable mean?

What are the advantages of polymers being biodegradable or photodegradable?

Conditions for HALIGANATION with a HALOGEN?

Conditions for HALIGANATION with a HYDROGEN HALIDE?

Conditions for HYDROGENATION reaction?

Conditions for HYDRATION reaction?

What is Markownikoff's rule used for?

Primary carbocation

Secondary carbocation

Tertiary carbocation