A-LevelChemistryIntroduction to organic chemistryOct/Nov 2009Paper 1 Q371 Mark
The chlorine free radical takes part in the destruction of the ozone layer. Which statements about this free radical are correct? 1 It is formed by the heterolytic fission of the covalent bond in a chlorine-containing molecule. 2 It has a single unpaired electron. 3 It has the same electron arrangement as a chlorine atom.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
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The correct answer is C. This question tests the candidate's understanding of introduction to organic chemistry within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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