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5 marksIdentification of Cations and Anions

CAPE Chemistry Unit 1 · 2016 · Paper 2 · Question 1(c)

The results of two tests are to be recorded in Table 1.

Complete the table by inserting the missing observations or inferences.

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Other parts of this question

  1. 1(a)(i)State THREE postulates of Dalton's atomic theory.[2 marks]
  2. 1(a)(ii)Later developments in science led to the modification of the atomic theory. Explain the modification of ONE of the postulates.[2 marks]
  3. 1(b)(i)Identify the ion responsible for the green colour.[1 mark]
  4. 1(b)(ii)Given that the sulfate(IV) ion, SO₃²⁻, is converted to the sulfate(VI) ion, SO₄²⁻, in the presence of water, deduce the balanced equation for the redox…[4 marks]
  5. 1(b)(iii)Identify the oxidizing agent in (b) (ii).[1 mark]

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