O-LevelChemistryOrganic Chemistry5070/11 · May/June 2025 · Q361 Mark

The flowchart shows some reactions of hydrocarbons. Which row is correct?

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Acracking | heat with nickel catalyst

Bfractional distillation | heat with acid catalyst

Ccracking | heat with acid catalyst

Dfractional distillation | heat with nickel catalyst

✓ Correct answer

A: cracking | heat with nickel catalyst

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2025 Paper 1 Variant 1, question 36.

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