A-Level ChemistryYear 2019Q8
page 04 8. The copper complex shown can be used as a green food colouring. Cu O O O ONa ONa ONa N N N N Which line in the table is correct for this complex? Co-ordination number of copper Classification of ligand A 2 monodentate B 2 tetradentate C 4 monodentate D 4 tetradentate 9. 2X(g) ∏ Y(g) ∆H = −220 kJ mol−1 Which of the following changes will cause the equilibrium constant to increase? A Decrease in temperature B Increase in temperature C Decrease in pressure D Increase in pressure
Paper Source:NAH_Chemistry_all_2019.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)