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5 marksIdentification of Cations and Anions

CAPE Chemistry Unit 1 · 2009 · Paper 2 · Question 3(d)(i)

Figure 3 refers to the following reaction scheme.

Complete the table below by writing the colour of the species labelled A, B, C, D and E in Figure 3.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 3(a)Insert arrows in the relevant boxes in Figure 2 to show the electronic configuration of the species.[5 marks]
  2. 3(b)Use the distribution in the d-orbitals to account for colour in transition metal ions.[2 marks]
  3. 3(c)Account for the observation that Zn2+ compounds are normally colourless.[2 marks]
  4. 3(d)(ii)Write the formula of Species E.[1 mark]

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