The standard cell potential for the nickel-cadmium battery is 1.35 V,and the cell reaction can be written as 2 NiO(OH) (s) + 2 H2O(
) + Cd(s) 2 Ni(OH) 2(s) + Cd(OH) 2(s)
Which one of the following statements do you expect to be true based on the Nernst equation? Note: Q = reaction quotient,and K = equilibrium constant for the cell reaction.
A) As the battery is used,the cell voltage approaches zero because Q approaches K in value.
B) When the battery no longer works,the cell voltage is zero because Q = K.
C) As the battery is used,the cell voltage does not change because Q equals 1.
D) When the battery is fully charged,Q > K.
E) When the battery is fully charged,Q < K.
Correct Answer:
Verified
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