Redox reactions

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1. What is the oxidation state of monatomic ions?

  • The same as the number of electron shells
  • The same as the charge
  • The same as the number of electrons
  • The same as the number of protons
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2. Why do diatomic molecules have an oxidation state of 0?

  • They have been reduced
  • They have been oxidised
  • They haven't lost or gained any electrons
  • They lost the same amount of electrons they gained

3. What happens at the anode (positive electrode)?

  • Electrophilic substituion
  • Oxidation
  • Reduction
  • Nothing

4. In a redox reaction, what happens to reducing agents?

  • They are oxidised
  • They are reduced
  • Nothing

5. Reduction is the....

  • donation of electrons
  • gain of electrons
  • loss of electrons

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