Question
(a) Explain why cracking is economically important. (3 marks) (b) Cracking of decane (C₁₀H₂₂) produces octane (C₈H₁₈) and one other product. Identify this product and its formula. (2 marks) (c) Describe a chemical test to distinguish between ethane (C₂H₆) and ethene (C₂H₄). Include reagent, observations and conclusion. (4 marks)
9 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.