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Transition metals (A-level only)

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Question 5

Which of the following transition metal complexes exists as optical isomers?

A

[Cr(C2O4)3]3−[\text{Cr}(\text{C}_2\text{O}_4)_3]^{3-}[Cr(C2​O4​)3​]3−

B

trans−[Co(en)2Cl2]+\text{trans}-[\text{Co}(\text{en})_2\text{Cl}_2]^+trans−[Co(en)2​Cl2​]+ (where en=H2NCH2CH2NH2\text{en} = \text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2en=H2​NCH2​CH2​NH2​)

C

[Cu(NH3)4(H2O)2]2+[\text{Cu}(\text{NH}_3)_4(\text{H}_2\text{O})_2]^{2+}[Cu(NH3​)4​(H2​O)2​]2+

D

[Ag(NH3)2]+[\text{Ag}(\text{NH}_3)_2]^+[Ag(NH3​)2​]+

Markscheme

Transition metals (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Transition metals (A-level only)

63 exam-style questions on AQA A Level Chemistry Transition metals (A-level only), covering General properties of transition metals (A-level only), Substitution reactions (A-level only), Shapes of complex ions (A-level only), Formation of coloured ions (A-level only), Variable oxidation states (A-level only), and Catalysts (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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