A-LevelChemistryChemical bonding9701/12 · Oct/Nov 2018 · Q321 Mark
The melting point of chlorine is lower than the melting point of iodine. Which statements help to explain this difference? 1 Iodine has more electrons than chlorine and so has stronger van der Waals' forces. 2 An iodine molecule is more polar than a chlorine molecule. 3 The covalent bonds between iodine atoms are stronger than the covalent bonds between chlorine atoms.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
D: 1 only is correct
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