AS & A Level Chemistry (9701) — February–March 2023, Paper 52
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 15 marks · Practical skills (titration: recording and processing results)
The student records their titration results in Table 1.1 (rough, titration 1, titration 2, titration 3): final burette readings 10.60, 20.35, 30.25, 9.85 cm³; initial burette…
Answer this question and get it marked →Question 2 · 15 marks · Reaction kinetics (orders of reaction)
A second student looked at the equation for reaction 1 and stated the order with respect to [I⁻(aq)] must be second order because the balanced equation contains 2I⁻(aq). Suggest…
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