May/June 2026 Paper 13

2026 · 40 questions · 40 parts · 40 marks

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22Group 7 HalogensEasy1 mark
Concentrated sulfuric acid is added to KX(s), where X is Br, Cl or I. The element sulfur and the halogen molecule, X, are two of the products made in this reaction. What is the colour of X in the gaseous state?