transition metals

Goes briefly through most sections of transition metals-hope it helps in your revision!

sorry about the weird notation of substances!- I have used ^ for any charges, some of the incorrect answers are made up words that sound similar :)

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1. what causes catalysts to be poisoned

  • only using them for frequent short periods
  • impurities in the reaction mixture
  • use over a long period of time
  • too high concentration fo water
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2. why is a support medium used for heterogenous catalysts

  • the catalysts are very expensive and the surface area is increased
  • the catalyst needs to react with the support medium before it functions properly
  • the support medium reacts with any impurities to remove them from the system
  • to stop the catalyst getting lost within the products

3. what is the coordinate number

  • the number of different ligan identities within a complex
  • the number of dative bonds that form between a transition metal ion and ligands
  • the exact location of teh transition metal ion withint the complex
  • the number of ligands surrounding a transition metal ion

4. (Fe(H2O)6)^2+ and dropwise ammonia is a ...reaction

  • deprotonation
  • protonation
  • reduction
  • oxidation

5. what is teh colour change when (Co(NH3)6)^2+ is oxidised to (Co(NH3)6)^3+

  • yellow to pink
  • yellow to brown
  • blue to pink
  • blue to brown


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