Welcome to the Quiz!

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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1

What is the shape of the complex ion [Cu(H2O)6]2+?

octahedral

trigonal planar

tetrahedral

square planar

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1

A reaction occurs when two aqueous solutions containing ions react together to form an insoluble ionic solid.

precipitation

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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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1

What is the term for the exchange process that occurs between water and ammonia in complex ions?

substitution

Ligand

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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1

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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1

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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1