A-LevelChemistryChemical bonding9701/12 · Oct/Nov 2017 · Q321 Mark

The chlorine oxide free radical, ClO•, is produced by the reaction between chlorine atoms and ozone. Cl + O3 → ClO• + O2 Which features are present in the chlorine oxide free radical? 1 an odd number of electrons 2 a single covalent bond 3 a dative covalent bond from oxygen to chlorine

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

B: 1 and 2 only are correct

Oracle Prep sorts past-paper questions by topic, so you can drill Chemical bonding and see which topics are most likely to come up next.

Topic: Chemical bonding, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 32.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content