Alkenes

Which of the following shows the structure of ethene?

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• 
• 
• 

Which of the following shows the structure of propene?

• 
• 
• 
• 

What is the name of this hydrocarbon?

• 1 - butane

• 1 - butene

• 2 - butane

• 2 - butene

General formula of Alkene is 

• C_nH_2n+2
• C_nH_2n
• C_nH_2n+1OH
• C_nH_2n+1COOH

A homologous series is a family of organic compounds with

• similar chemical properties and same general formula as found on Table Q

• different chemical properties and different general formula as found on Table P

The formula for ethene is

• C₂H₄

• C₂H₆

• CH₄

• C₃H₆

Propane and butane are compounds with straight chain and usually used as the heating fuels. Between Propane and Butane which compound has lower boiling point?

• Propane, because it has higher molecular mass than butane

• Propane, because has more carbon and hydrogen

• Propane, because has lower molecular mass than butane

• Butane, because it has more isomer

• Butane, because it has higher molecular mass than propane

Is this hydrocarbon saturated or unsaturated? 

• saturated
• unsaturated

What is the process of breaking down a long hydrocarbon into smaller hydrocarbons

• Cracking
• Fracking
• Combustion
• Oxidation
• Distillation

What are the products of cracking?

• Bromine water
• Short alkanes and alkenes
• Branched alkenes
• Polymers
• Alkanes only