Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Which ion is more acidic in aqueous solution?
Fe2+
Fe3+
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What is the complex ion formed when iron(II) nitrate is dissolved in water?
[Fe(H2O)6]2+
[Fe(H2O)5(OH)]3+
[Fe(H2O)6]3+
[Fe(H2O)5(OH)]2+
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What colour is the precipitate formed when iron(III) ions react with OH- ions?
yellow
blue
green
brown
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Select ALL of the correct comparisons between iron(II) and iron(III).
Fe2+ has a greater ionic charge than Fe3+
Fe2+ has a larger ionic radius than Fe3+
Fe3+ has a larger ionic radius than Fe2+
Fe3+ has a greater ionic charge than Fe2+
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Which of the following is an example of an amphoteric hydroxide?
calcium hydroxide
potassium hydroxide
sodium hydroxide
aluminium hydroxide
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What is the product formed when aluminium hydroxide reacts with excess hydroxide ions?
[Al(H2O)3(OH)3](s)
[Al(H2O)2(OH)4]-(aq)
[Al(H2O)4(OH)2]+(aq)
[Al(OH)6]3-(aq)
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What is the formula of the complex ion formed when Cu(H2O)6]2+ reacts with excess aqueous ammonia?
[Cu(NH3)3(H2O)3]2+
[Cu(NH3)6]2+
[Cu(NH3)2(H2O)4]2+
[Cu(NH3)4(H2O)2]2+
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The reaction between iron(II) ions and OH- ions forms the precipitate iron(II) hydroxide, which is in colour.
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What is the term for a substance that shows both acidic and basic properties?
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Which ions form carbonate precipitates when reacted with aqueous sodium carbonate?
(Select all that apply).
Cu2+
Al3+
Fe3+
Fe2+
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