Electrochemistry UPSC Questions

Electrochemistry MCQ Questions

7.
Which device is called a galvanic or a voltaic cell ?
A.
Electrical Energy
B.
Electron
C.
Protocol
D.
Chlorine
ANSWER :
A. Electrical Energy
8.
___________ a device for using electrical energy to carry non-spontaneous chemical reactions.
A.
Galvanic cell
B.
Voltaic Cell
C.
Electrolytic Cell
D.
Energy Cell
ANSWER :
C. Electrolytic Cell
9.
________ flow from Cu to Zn and current flows from Zn to Cu.
A.
Protons
B.
Electrons
C.
Neuron
D.
Hydrogen
ANSWER :
B. Electrons
10.
A galvanic cell is an electrochemical cell that converts the _____________ of a spontaneous redox reaction into electrical energy.
A.
Voltaic Cell
B.
Electrolytic Cell
C.
Energy Cell
D.
Chemical Energy
ANSWER :
D. Chemical Energy
11.
Whose reaction of the spontaneous redox is converted into electrical work which is running a motor or other electrical gadgets like heater, fan, geyser, etc?
A.
Gibbs Energy
B.
Electrical Energy
C.
Chemical Energy
D.
Electrolytic Cell
ANSWER :
A. Gibbs Energy
12.

Whose reaction is the equation of Zn(s) + Cu2+(aq) → Zn2+ (aq) + Cu(s) ?

A.

Protons Reaction

B.

Redox Reaction

C.

Chemical Energy

D.

Electron Reaction

ANSWER :
B.

Redox Reaction