MEDIUM
AS and A Level
IMPORTANT
Earn 100

What will be formed when ethene gas is bubbled through a concentrated solution of hydrochloric acid?

Important Questions on Hydrocarbons
MEDIUM
AS and A Level
IMPORTANT
Define electrophile.

HARD
AS and A Level
IMPORTANT
Explain how chlorine molecule can act as an electrophile in its reaction with alkene.

HARD
AS and A Level
IMPORTANT
Discuss and then draw the mechanism for the reaction between ethene and chlorine.

MEDIUM
AS and A Level
IMPORTANT
Draw the displayed formula of the organic product formed when propene is oxidised by a cold solution of acidified potassium manganate . Name the compound.

MEDIUM
AS and A Level
IMPORTANT
Draw the displayed formula of the organic product formed when butene is oxidised by a cold solution of acidified potassium manganate. Name the compound.

HARD
AS and A Level
IMPORTANT
Methyl butene is heated with concentrated acidified potassium manganate solution. Draw and name the displayed formula of the products formed.

HARD
AS and A Level
IMPORTANT
Methyl butene is heated with concentrated acidified potassium manganate solution. Write a balanced chemical equation for this reaction using to show oxygen atoms involved.

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.
