CAPE Chemistry Unit 1 · 2014 · Paper 2 · Question 3(a)
This section covers chemistry of the elements.
Define the term 'transition element'.
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Practise this questionOther parts of this question
- 3(b)(i)Deduce the oxidation number of the platinum atom.[1 mark]
- 3(b)(ii)Suggest the shape of the cisplatin molecule.[1 mark]
- 3(c)(i)a)Complete the diagrams below by inserting arrows to show the electronic configuration of Fe²⁺ ion.[2 marks]
- 3(c)(i)b)Complete the diagrams below by inserting arrows to show the electronic configuration of Mn²⁺ ion.[2 marks]
- 3(c)(ii)Use the information in (c)(i)b) to explain why Mn²⁺ ions resist oxidation to Mn³⁺ ions.[2 marks]
- 3(d)(i)List the colour of the following ions: B, C, D.[3 marks]
- 3(d)(ii)Sketch the arrangement of bonds in the ion labelled C.[2 marks]
- 3(e)State the changes that would be observed when a solution of copper(II) ions is treated with concentrated hydrochloric acid followed by concentrated ammonia.[2 marks]
More practice: the rest of this paper · more First Row Transition Elements questions · all CAPE Chemistry Unit 1 past papers