Electrochemistry - 5
1.
Oxidation state of Cr in K
2
CrO
4
is _________.
a) (-6)
b) (-5)
c) (+5)
d) (+6)
2.
NaH is a compound in which oxidation no. of hydrogen is _________.
a) (-1)
b) (-2)
c) (+2)
d) (+1)
3.
The cathode of NlCAD is made up of ___________.
a) Zero
b) NiO
2
c) Zinc
d) 1.25g/cm
3
4.
Initial concentration of sulphuric acid in lead accumulator is __________.
a) 1.25g/cm
3
b) NiO
2
c) (+6)
d) Lose
5.
Greater the value of standard reduction potential of a metal, lesser is its tendency to ___________ electron.
a) Zinc
b) Zero
c) Lose.
d) NiO
2
6.
Provides source of electricity resulting from oxid-red reaction taking place in solution.
a) Ionization
b) Voltaic Cell
c) Anode
d) Daniel’s cell
7.
Splitting of compound into charged particles
a) Ionization
b) Anode
c) Daniel’s cell
d) Down’s cell
8.
Electrolytic cell
a) Anode
b) Ionization
c) Voltaic Cell
d) Daniel’s cell
9.
Oxidation
a) Anode
b) Voltaic Cell
c) Daniel’s cell
d) Ionization
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