A-LevelChemistryGroup 2Feb/Mar 2023Paper 1 Q231 Mark
In Group 2 of the Periodic Table, the properties of the elements and their compounds show regular change down the group. Which property shows a decrease from magnesium to barium?
Athe decomposition temperature of the carbonates
Bthe decomposition temperature of the nitrates
Cthe solubility of the hydroxides
Dthe solubility of the sulfates
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The correct answer is D. This question tests the candidate's understanding of group 2 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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