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ELECTROCHEMISTRY QUIZ 1

Quiz by RAJI ABISH

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Q 1/5
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The difference between the electrode potentials of two electrodes when no current is drawn through the cell is called
29
Cell voltage
Cell emf
Potential difference
Cell potential

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5 questions

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Q1
The difference between the electrode potentials of two electrodes when no current is drawn through the cell is called
Cell voltage
Cell emf
Potential difference
Cell potential
30s
Q2
Which of the following statement is not correct about an inert electrode in a cell?
It provides surface for conduction of electrons.
It provides surface either for oxidation or for reduction reaction.
It provides surface for redox reaction.
It does not participate in the cell reaction.
30s
Q3
An electrochemical cell can behave like an electrolytic cell when:
Eext > Ecell
Ecell = Eext
Ecell = 0
Ecell > Eext
30s
Q4
The positive value of the standard electrode potential of Cu2+/Cu indicates that:
this redox couple is a stronger oxidising agent than H+/H2.
Cu can displace H2 from acid.
this redox couple is a stronger reducing agent than the H+/H2 couple.
All of the above
30s
Q5
For the given cell, Mg|Mg2+|| Cu2+|Cu
The cell reaction is Mg + Cu2+ → Mg2+ + Cu
Cu is anode
Mg is cathode
Cu is the reducing agent
30s

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