Electrochemistry UPSC Questions

Chemistry

Electrochemistry MCQ Questions


13.

Which formula has reaction of Oxidation Daniell cell ?

A.

4 mol dm–7

B.

Cn(s) → Mn2+ + 2e–

C.

CH(s) → O2+ + 2e–

D.

Zn(s) → Zn2+ + 2e–

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ANSWER :
D.

Zn(s) → Zn2+ + 2e–

14.

Which formula has reaction of reduction Daniell cell ?

A.

Cn(s) → Mn2+ + 2e–

B.

Zn(s) → Zn2+ + 2e–

C.

Cu2+ + 2e– → Cu(s)

D.

CH(s) → O2+ + 2e–

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ANSWER :
C.

Cu2+ + 2e– → Cu(s)

15.
_______________ may be called the reduction half cell.
A.
Electrolytic Cell
B.
Copper Electrode
C.
Zinc Electrode
D.
Chemical Energy
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ANSWER :
B. Copper Electrode
16.
_______________may be called the oxidation half-cell.
A.
Copper Electrode
B.
Electron Reaction
C.
Chemical Energy
D.
Zinc Electrode
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ANSWER :
D. Zinc Electrode
17.
Which atoms of the electrode of tendency into the solution as ions and leave behind the electrons at the electrode?
A.
Metal Atoms
B.
Chemical Atom
C.
Copper Atom
D.
Silver Atom
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ANSWER :
A. Metal Atoms
18.
The potential difference between the two electrodes of a galvanic cell is called the cell potential and is
A.
Current Volt
B.
Measured in Volts
C.
Voltage
D.
Energy Volts
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ANSWER :
B. Measured in Volts