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1. How is the rate constant, k, calculated?

  • (Initial rate / rate equation) X 100
  • Concentration of all reactants / initial rate
  • Initial rate / rate equation
  • Rate equation X initial rate
  • Rate equation / initial rate
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2. What is a d-block element?

  • Any substance that accepts a proton
  • Any substance that donates a proton
  • An element that forms ions with a partially full d-subshell
  • An element where 'd' is the highest energy subshell
  • An element that forms negative ions

3. Which of these is not a property of a transition element?

  • Various oxidation states
  • Can commonly form both negative and positive ions
  • Can form complex ions
  • Catalyst
  • Forms colourful compounds

4. What is a ligand?

  • An ion that donates a lone pair of electrons to a metal ion to form a coordinate/dative covalent bond
  • A molecule containing both an amine and a carboxylic acid group
  • A transition metal that has various oxidation states

5. [Ni(H2O)6]2+ + 6NH3 --> [Ni(NH3)6]2+ + 6H2O is an example of what type of reaction?

  • Redox reaction
  • Electrophilic substitution
  • Neutralisation reaction
  • Ligand substitution
  • Precipitation reaction

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