A-LevelChemistryChemical periodicity9701/12 · Oct/Nov 2021 · Q351 Mark

The following statements compare some properties of the oxides and chlorides of sodium and silicon. Which statements are correct? 1 The melting point of SiCl4 is higher than the melting point of SiO2. 2 SiCl4 reacts with water, NaCl does not. 3 The melting point of SiCl4 is lower than the melting point of NaCl.

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

C: 2 and 3 only are correct

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Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 2, question 35.

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