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2 marksGroup VII Elements

CAPE Chemistry Unit 1 · 2014 · Paper 2 · Question 6(c)(ii)

When chlorine gas is passed through an aqueous solution of a metal halide, A, of molecular mass 212.5, a reddish-brown solution, B, is formed. Shaking B with tetrachloromethane in a separatory funnel produces C, a purple organic layer, and D, a colourless aqueous layer.

Write the formula equation for the reaction of A with chlorine.

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Other parts of this question

  1. 6(a)Define the term 'polarization'.[2 marks]
  2. 6(b)(i)State the trend in ionic size of the elements from Na to Al.[1 mark]
  3. 6(b)(ii)Explain the following observation. (Include relevant equations to support your answer.)[7 marks]
  4. 6(c)(i)State the name of the halide ion in A.[1 mark]
  5. 6(c)(iii)Describe an additional simple test to confirm the identity of the halide ion in A.[2 marks]

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