A-LevelChemistryChemical bondingOct/Nov 2011Paper 1 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
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The correct answer is C. This question tests the candidate's understanding of chemical bonding within the Chemistrysyllabus. The examiner's mark scheme requires...
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