A-LevelChemistryChemical bonding9701/12 · May/June 2018 · Q181 Mark

The dative covalent bond can be represented by an arrow, →. The arrow points towards the atom receiving the lone pair. Which diagram of an ammonium ion is correct? [Diagrams A, B, C, D of ammonium ion structures]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A[Diagram A]

B[Diagram B]

C[Diagram C]

D[Diagram D]

✓ Correct answer

C: [Diagram C]

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Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 18.

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