A-LevelChemistryChemical bonding9701/12 · May/June 2014 · Q311 Mark

P and Q are two compounds with similar Mr values. Molecules of P attract each other by hydrogen bonds. Molecules of Q attract each other by van der Waals' forces only. A sample of liquid P is compared to a sample of liquid Q. How will their properties differ? 1 P is more soluble in water than Q. 2 P has a higher melting point than Q. 3 P is more viscous than Q.

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: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 31.

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