A-LevelChemistryChemical bonding9701/12 · Feb/Mar 2017 · Q121 Mark

The electrical conductivities of two compounds, Y and Z, are shown in the table. conductivity of the compound in the liquid state conductivity of the mixture obtained by adding the compound to water Y: good good Z: does not conduct good What could compounds Y and Z be?

AAl₂O₃ SiCl₄

BNaF Al₂O₃

CNaF SiCl₄

DSiCl₄ Al₂O₃

✓ Correct answer

C: NaF SiCl₄

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Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2017 Paper 1 Variant 2, question 12.

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