A-LevelChemistryChemical bonding9701/12 · Oct/Nov 2011 · Q51 Mark

The presence of dipoles helps to explain why the element Br2 and the compound CHCl3 exist as liquids at room temperature. Which types of dipole are involved?

ABr2: induced dipoles and permanent dipoles, CHCl3: induced dipoles and permanent dipoles

BBr2: induced dipoles and permanent dipoles, CHCl3: induced dipoles only

CBr2: induced dipoles only, CHCl3: induced dipoles and permanent dipoles

DBr2: induced dipoles only, CHCl3: induced dipoles only

✓ Correct answer

C: Br2: induced dipoles only, CHCl3: induced dipoles and permanent dipoles

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Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 2, question 5.

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