Chemical Reactions of Alkanes (OCR A-Level Chemistry A): Quizzes

📚Quizzes
Chemical Reactions of Alkanes
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

Why are alkanes unreactive with most lab reagents?

Strong, non-polar C-C and C-H bonds

What are the products of complete combustion of alkanes?

CO2CO_2 and H2OH_2O

Why is carbon monoxide from incomplete combustion dangerous?

Binds irreversibly to haemoglobin

What condition is required for alkanes to react with halogens?

UV light (or sunlight)

Which halogens are used in radical substitution with alkanes?

Cl2Cl_2 and Br2Br_2 only

What is a radical?

Species with an unpaired electron

What happens in the initiation stage?

UV light causes homolytic fission of Br2Br_2

What must propagation step equations always show?

Exactly one radical on both sides

What happens during the termination stage?

Two radicals combine to form stable molecule

Why is radical substitution impractical for synthesis?

Produces mixture of products and isomers

Join 100,000+ A-Level students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.