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3 marksGroup VII Elements

CAPE Chemistry Unit 1 · 2017 · Paper 2 · Question 3(d)

Write an ionic equation to show the oxidizing nature of sulfuric acid in Test (c) (i).

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Other parts of this question

  1. 3(a)(i)Define the term 'disproportionation'.[1 mark]
  2. 3(a)(ii)Write the balanced equation for the reaction above and hence deduce the oxidation number of chlorine in KClO₃ and KClO₄ respectively.[3 marks]
  3. 3(b)Explain the trend in volatility of the halogens as the group is descended.[3 marks]
  4. 3(c)Complete Table 2 to show the student's record of the observations made.[5 marks]

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