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4 marksFirst Row Transition Elements

CAPE Chemistry Unit 1 · 2016 · Paper 2 · Question 6(b)(ii)

Titanium(III) chloride forms a violet solution when dissolved in water.

Explain the colour of the aqueous solution.

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Other parts of this question

  1. 6(a)List FOUR properties of transition metals.[4 marks]
  2. 6(b)(i)Write the electronic configuration using the s, p and d orbitals of the titanium ion.[1 mark]
  3. 6(c)(i)Describe what would be observed when concentrated hydrochloric acid is slowly added to an aqueous solution of Co²⁺.[1 mark]
  4. 6(c)(ii)Write an ionic equation to represent the observation in (c) (i).[2 marks]
  5. 6(c)(iii)Using the concept of stability constant, explain the changes observed in (c) (ii).[3 marks]

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