A-LevelChemistryChemical bonding9701/12 · Oct/Nov 2022 · Q121 Mark

The compound (CH3)3NAlCl3 has a simple molecular structure. Which statement about (CH3)3NAlCl3 is correct?

A(CH3)3NAlCl3 molecules attract each other by hydrogen bonds.

BThe Al atom in (CH3)3NAlCl3 has an incomplete valence shell of electrons.

CThe bonds around the Al atom are planar.

DThe molecules contain coordinate bonding.

✓ Correct answer

D: The molecules contain coordinate bonding.

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Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2022 Paper 1 Variant 2, question 12.

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