A Level H2 Chemistry 2021 Paper 3 Answers [portable] Jun 2026

Many exam boards tested a mixture: The unknown contained both ( Cr^3+ ) (violet, amphoteric hydroxide) and ( Fe^3+ ) (gives blood-red with SCN-). The paper asked: "Identify the metal ion(s)". Answer: Chromium(III) and Iron(III).

), weaker responses mistakenly used all atoms in a sample instead of focusing specifically on the target element (e.g., sulfur). A Level H2 Chemistry 2021 Paper 3 Answers

[ Pt(s) | Fe^2+(aq), Fe^3+(aq) || MnO_4^-(aq), H^+(aq), Mn^2+(aq) | Pt(s) ] Many exam boards tested a mixture: The unknown

Answer: The product is a racemic mixture. sulfur). [ Pt(s) | Fe^2+(aq)