Potassium manganate(VII), KMnO4\text{KMnO}_4KMnO4, is a powerful oxidising agent commonly used in redox titrations to determine the concentration of reducing agents such as iron(II) ions.
Which hazard symbol must be displayed on a container of solid potassium manganate(VII) to represent its oxidising properties?
A flame over a circle inside a red diamond.
A flame inside a red diamond.
A skull and crossbones inside a red diamond.
Liquid dripping from test tubes onto a hand and a surface inside a red diamond.
230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.