Transition metals + ammonia & NaOH - Edexcel chemistry a2

Hello guys, this is a quiz about PERCIPITATE COLOURS for reactions of transition metals with OH- and NH3, as well as in water. It is specifically suited to the Edexcel A2 unit 5 specification (chemsitry) but can be used for any. :)

N.B. the colours vary according to what textbook you use, I've used the ones in the official Edexcel textbook rather than the revision guide. 

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  • Created by: Mirte
  • Created on: 07-06-14 11:24

1. Reaction of Copper (II) with excess Ammonia produces a...

  • Blue precipitate
  • Green precipitate
  • Deep blue solution
  • Green solution
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Other questions in this quiz

2. What colour is the Nickel (II) ion in water?

  • Yellow solution
  • Green solution
  • Blue solution
  • Green precipitate

3. What is the formula of Copper (II) when excess ammonia is added?

  • [Cu(NH3)4(H2O)2]2+
  • [Cu(NH3)4(H2O)2]3+
  • [Cu(NH3)2(H2O)4]2+
  • [Cu(NH3)3(H2O)3]3+

4. Reaction of Iron (III) with ammonia produces a...

  • Brown precipitate
  • Yellow precipitate
  • Green precipiate
  • Blue solution

5. Which precipitates dissolve to reform a coloured solution in reaction with EXCESS NH3?

  • Chromium, Nickel, Copper (II), Zinc
  • Chromium, Zinc, Copper (II), Iron (II)
  • Nickel, Copper II, Zinc
  • Iron (II), Chromium, Nickel, Copper (II)


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