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This quiz contains 10 questions from a mix of 1 subtopics.
What is the colour of the solution formed when an excess of concentrated hydrochloric acid is added to a solution containing [Cu(H2O)6]2+?
dark blue
pink
yellow
pale blue
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What is the colour of the complex ion formed when excess aqueous ammonia is added to an aqueous solution of copper(II) sulfate?
yellow
pale blue
dark blue
green
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What is the shape of the complex ion [Cu(H2O)6]2+?
octahedral
trigonal planar
tetrahedral
square planar
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A reaction occurs when two aqueous solutions containing ions react together to form an insoluble ionic solid.
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What is the shape of the complex ion [CuCl4]2-?
tetrahedral
square planar
trigonal planar
octahedral
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What is the oxidation state of copper in the complex ion [Cu(NH3)6]2+?
+2
+1
+4
+3
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What is the term for the exchange process that occurs between water and ammonia in complex ions?
Ligand
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What is the colour of the solution formed when the blue precipitate of iron(III) hydroxide dissolves in excess concentrated ammonia?
green
brown
blue
yellow
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What is the colour of the precipitate formed when aqueous ammonia is added to aqueous iron(II) ions?
green
blue
yellow
red
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What is the colour of the complex ion formed when an excess of aqueous ammonia is added to a solution containing [Cr(H2O)6]3+?
green
purple
yellow
red
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