Chemistry > 2011 > 37
WASSCE
Consider the following electrochemical cell notation:
Ms/M2+(aq) // H+(aq) / H2(g)
the value of the electrode potential is positive when
Ms/M2+(aq) // H+(aq) / H2(g)
the value of the electrode potential is positive when
A.
electrons flow from the metal electrodes, M(s) to hydrogen electrode, H2(g)
B.
electrons flow from hydrogen electrodes, H2(g) to metal electrode, Ms
C.
the flow of current is high
D.
there is equilibrium between the flow of electrons from the hydrogen electrode, H2(g) to metal electrodes M(s)
Answer: A
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