HARD
AS and A Level
IMPORTANT
Earn 100

Methyl but-2-ene is heated with concentrated acidified potassium manganate VII solution. Write a balanced chemical equation for this reaction using O to show oxygen atoms involved.

Important Questions on Hydrocarbons

HARD
AS and A Level
IMPORTANT

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.

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.

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