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SingaporeChemistryQuick questions

Inorganic Chemistry

Quick questions on Transition metal complexes and the origin of colour: Singapore A-Level H2 Chemistry

4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is ligand exchange?
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Ligands can be replaced by others, often with a striking colour change because ΔE\Delta E changes:
What is q1?
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Define the terms ligand and coordination number. [2 marks]
What is q2?
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State the shape of (a) [Cu(H2O)6]2+[\text{Cu}(\text{H}_2\text{O})_6]^{2+} and (b) [CuCl4]2[\text{CuCl}_4]^{2-}. [2 marks]
What is q3?
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Explain why a solution of zinc sulfate is colourless. [2 marks]

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