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A-LevelChemistryAtomic structureOct/Nov 2018Paper 4 Q319 Marks

The reaction scheme shows some reactions of [Cu(H2O)6]²⁺. [Figure showing reaction scheme: [Cu(H2O)6]²⁺ reacts with NaOH(aq) to form precipitate A (reaction 1), with excess NH3(aq) to form solution B (reaction 2), and with CuCO3(s) (reaction 3) which then reacts with CH3CO2H(aq) to form solution C (reaction 4).] Platin, Pt(NH3)2Cl2, is a neutral complex of platinum(II).

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The correct answer is . This question tests the candidate's understanding of atomic structure 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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About This A-Level Chemistry Question

This structured question appeared in the Cambridge A-Level Chemistry (9701) Oct/Nov 2018 examination, Paper 4 Variant 1. It tests the topic of Atomic structure and is worth 19 marks.

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