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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 27

Ammonium peroxodisulfate is a widely used oxidizing agent with the chemical formula (NH4)2S2O8(\text{NH}_4)_2\text{S}_2\text{O}_8(NH4​)2​S2​O8​.

What is the empirical formula of ammonium peroxodisulfate?

A

N2H8S2O8\text{N}_2\text{H}_8\text{S}_2\text{O}_8N2​H8​S2​O8​

B

NH4SO4\text{NH}_4\text{SO}_4NH4​SO4​

C

NH4S2O8\text{NH}_4\text{S}_2\text{O}_8NH4​S2​O8​

D

NH2SO4\text{NH}_2\text{SO}_4NH2​SO4​

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1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

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.

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