HARD
AS and A Level
IMPORTANT
Earn 100

Which of the following statements are correct? Explain why each is either correct or incorrect.

A. Poly(propene) and poly(ethene) will both decolourise bromine water.

B. Poly(ethene) is a saturated hydrocarbon.

C. Poly(propene) will melt at a lower temperature than propene.

D. The polymerisation of ethene is an example of an electrophilic substitution reaction.

Important Questions on Hydrocarbons

EASY
AS and A Level
IMPORTANT
Tetrafluroethene, C2F2, is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. State what PTFE stands for.
MEDIUM
AS and A Level
IMPORTANT
Tetrafluroethene, C2F2, is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. Give the name of the type of reaction to form PTFE.
MEDIUM
AS and A Level
IMPORTANT
Tetrafluroethene, C2F4, is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. Write a chemical equation to show the formation of PTFE from C2F4.
MEDIUM
AS and A Level
IMPORTANT
Tetrafluroethene, C2F2, is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. Draw the structure of the repeat unit in PTFE.
MEDIUM
AS and A Level
IMPORTANT
Tetrafluroethene, C2F2, is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. How could poly(alkene) waste be used to conserve fossil fuels?
MEDIUM
AS and A Level
IMPORTANT
Tetrafluroethene, C2F4,  is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. A waste batch of poly(ethene) pellets was burnt in an inefficient industrial incinerator. Name the toxic gas that would be released.
MEDIUM
AS and A Level
IMPORTANT

Tetrafluroethene,  C2F4 is the monomer for the polymer PTFE, which is used in the non-stick coating on pans. Name the monomer used to make this polymer.

Question Image

EASY
AS and A Level
IMPORTANT
2-Methylpentane, 3-ethylpentane and 2,3-Dimethylbutane are alkanes. For each one give its molecular formula.