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

  • Rate equation X initial rate
  • Concentration of all reactants / initial rate
  • (Initial rate / rate equation) X 100
  • Initial rate / rate equation
  • Rate equation / initial rate
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2. How is the value of Kc calculated in an equilibrium?

  • Amount in moles of products / amount in moles of reactants
  • Concentration of reactants / concentration of products ([A]a [B]b / [D]d [C]c)
  • Amount in moles of reactants / amount in moles of products
  • Concentration of products / concentration of reactants ([D]d [C]c / [A]a [B]b)
  • Concentration of reactants X concentration of products

3. What is a ligand?

  • A transition metal that has various oxidation states
  • 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

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

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

5. What is a d-block element?

  • 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
  • Any substance that accepts a proton

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