Electrochemistry - 4
1.
The potential setup when an electrode in contact with one molar solution of it own ion at 298k is known as __________.
a) Standard Electrode potential
b) Electrochemical Series
c) Oxidation
d) Ion Electron Method
2.
A reaction in feasible if sum of E
0
values of the two half-cell reactions is __________.
a) Reduction
b) Above
c) Positive.
d) Oxidation
3.
Strong oxidizing agents have a large positive value of standard _________ potential.
a) Oxidation.
b) Positive.
c) Cathode
d) Reduction
4.
Metal will displace another metal from the aqueous solution of its salt if it lies________.
a) Oxidation.
b) Zero
c) Above
d) Positive.
5.
Voltaic or Galvanic cell, which cannot be recharged, is called __________ cells.
a) Electrolytic Cell
b) Zero
c) Secondary Cells
d) Primary Cells
6.
Lead accumulator is an example of __________ cells.
a) Electrolytic Cell
b) Zero
c) Primary Cells
d) Secondary Cells
7.
Anode of silver oxide battery is made up of___________.
a) Zinc
b) NiO
2
c) Zero
d) 1.25g/cm
3
8.
The oxidation number of all elements in the free state is ___________.
a) Lose
b) Zero
c) NiO
2
d) Zinc
9.
Oxidation number of oxygen in peroxides is ___________.
a) (-2)
b) (-1)
c) (+1)
d) (+2)
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