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11.1. Physical properties of the Group 17 elements
A subsection of Chemistry, 9701, through 11. Group 17
Listing 10 of 54 questions
Complete the electronic configuration of a chromium atom. 1s22s22p63s2 State the two highest oxidation states of chromium commonly seen in its compounds. Six different compounds or complexes, H, J, K, L, M and N, are formed when an excess of aqueous NH3, aqueous NaOH and concentrated aqueous HCl are separately added to separate solutions containing Cu2+or Co2+. solution reagent an excess of NH3an excess of NaOHan excess of concentrated HCl Cu2+H J K Co2+L M N State the colours of the following compounds or complexes. H K M  Write the formulae of the following compounds or complexes. L N  State the appearance of compound J. 
9701_m18_qp_42
THEORY
2018
Paper 4, Variant 2
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Questions Discovered
54