Alkenes Quiz

The functional group of alkenes is the carbon-carbon (a)   bond.

During hydrogenation, hydrogen is added to an alkene to form an (a)   .

During bromination, bromine is added to an alkene.

The reddish brown bromine solution turned (a)   .

Cracking is the breaking down of long-chain hydrocarbons into (a)   molecules.

It produces alkenes, and smaller alkanes or hydrogen.

Comparing alkanes and alkenes

2. alkanes undergo _______ reactions but alkenes undergo _______ reactions.

(a)  

A homologous series is a family of organic compounds with

• similar chemical properties and same general formula

• similar chemical properties and different general formula

• different chemical properties and same general formula

• similar physical properties and same general formula

Each member of a homologous series differs from the next by a

• –CH₂ group

• –CH group

• –CO₂ group

• –CH₄ group

Each member of a homologous series differs from the next by molecular mass of

• 12

• 14

• 16

• 44

Which of the following can be used to distinguish between alkanes and alkenes?

• add a few drops of aqueous bromine

• add a few drops of Universal indicator

• add a piece of blue litmus paper

• add a piece of red litmus paper