MEDIUM
AS and A Level
IMPORTANT
Earn 100

Cyclohexene decolourises bromine water whereas benzene has no effect on bromine water. Explain the difference in reactivity towards bromine water.

Important Questions on Benzene and its Compounds

EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>BEFORE YOU START>Q 1
The bond angles around a carbon atom in which its atomic orbitals are sp2 hybridised is likely to be:
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>BEFORE YOU START>Q 2
How many electrons are involved in a piπ bond?
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>BEFORE YOU START>Q 3
Describe the reaction mechanism when HBr is reacted with ethene, CH2=CH2.
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>BEFORE YOU START>Q 4

Discuss with a partner how you would name this compound:

Question Image

EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>BEFORE YOU START>Q 5
Discuss what happens in the substitution reaction that takes place between either chloroethane and NaOH or chloroethane and HCN.
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>Question>Q 1
Give the number of electrons involved in the π bonding system in a benzene molecule.
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>Question>Q 1
State the type of atomic orbital that the electrons involved in the π bonding system in a benzene molecule.
EASY
AS and A Level
IMPORTANT
Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 25 - Benzene and its Compounds>Question>Q 1
Explain what we mean by the term delocalised electrons in benzene.