Saturday, October 24, 2009

TEST--54--XII [electro-]

Q.9.-Given the reaction for the nickel-cadmium battery:
2NiOH + Cd +2H2O -> 2Ni(OH)2 + Cd(OH)2
What species is oxidized during the discharge of the battery?
  1. Ni3+
  2. Ni2+
  3. Cd
  4. Cd2+

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