A-LevelChemistryGroup 2May/June 2017Paper 1 Q141 Mark
Trends are seen in the physical and chemical properties of the elements of Group 2 and their compounds. Which property shows a decrease from magnesium to barium?
Athe rate of the reaction between the element and dilute hydrochloric acid
Bthe solubility of the hydroxides
Cthe solubility of the sulfates
Dthe temperature of decomposition of the carbonates
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of group 2 within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
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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