A-LevelChemistryNitrogen and sulfur9701/12 · May/June 2011 · Q351 Mark

When the yellow liquid NCl3 is stirred into aqueous sodium hydroxide, the reaction that occurs can be represented by the following equation. 2NCl3(l) + 6NaOH(aq) → N2(g) + 3NaCl(aq) + 3NaOCl(aq) + 3H2O(l) What will be the result of this reaction? 1 The nitrogen undergoes a redox reaction. 2 A bleaching solution remains after the reaction. 3 The final solution gives a precipitate with acidified silver nitrate.

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

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Topic: Nitrogen and sulfur, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2011 Paper 1 Variant 2, question 35.

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