A-LevelChemistryChemical periodicityFeb/Mar 2020Paper 1 Q361 Mark
Which statements are correct? 1 Aluminium chloride dissolves in water to give an acidic solution. 2 Magnesium chloride dissolves in water to give a solution of pH close to 7. 3 Sodium chloride dissolves in water to give an alkaline solution.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of chemical periodicity 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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