AMUEEE SERIES Chemistry
Electrochemistry
11 previous year questions.
Volume: 11 Ques
Yield: Medium
High-Yield Trend
3
2018 4
2015 2
2012 1
2011 1
2010 Chapter Questions 11 MCQs
01
PYQ 2010
medium
chemistry ID: amueee-2
If the half cell reactions are given as (i) (ii) The for the reaction is
1
+ 1.67 V
2
-1.67 V
3
+ 0.79 V
4
-0.79 V
02
PYQ 2011
medium
chemistry ID: amueee-2
The emf of the cell involving the following reaction is . The standard oxidation potential of silver electrode is
1
2
3
4
03
PYQ 2012
medium
chemistry ID: amueee-2
Consider the cell, Given that , the ratio of concentration of to is, when the cell potential is .
1
0.101
2
0.924
3
0.12
4
None of these
04
PYQ 2012
easy
chemistry ID: amueee-2
Consider two half-cells based on the reaction The left half-cell contains ions at unit concentration, and the right half-cell initially had the same concentration of ions, but just enough had been added to completely precipitate the as . If the emf of the cell is , the would have been
1
9.804
2
-9.804
3
-4.902
4
10.004
05
PYQ 2015
easy
chemistry ID: amueee-2
For a weak electrolyte, a plot of a (degree of ionisation)vs gives
1
a straight line
2
a parabola
3
a hyperbola
4
an exponential curve
06
PYQ 2015
easy
chemistry ID: amueee-2
For the electrode , if is decreased by one unit at , then the cell potential
1
decreases by 59.1 mV
2
increases by 59.1 mV
3
remains unchanged
4
becomes zero
07
PYQ 2015
medium
chemistry ID: amueee-2
What will be of the following half-cell ?
The oxidation potential is
1
3.085
2
4.085
3
5.085
4
6.085
08
PYQ 2015
medium
chemistry ID: amueee-2
In the lead-acid battery during charging, the cathode reaction is
1
formation of
2
formation of
3
reduction of to
4
decomposition of at the anode
09
PYQ 2018
medium
chemistry ID: amueee-2
solution of a weak acid has an equivalent conductance . What will be the ? (Given : ]
1
2
3
4
10
PYQ 2018
easy
chemistry ID: amueee-2
The electrode potential, , for the reduction of to in acidic medium is . Which of the following metal(s) will be oxidised? The reduction reactions and standard electrode potentials for , and are given as
1
and
2
and
3
4
and
11
PYQ 2018
medium
chemistry ID: amueee-2
The standard emf of the cell and equilibrium constant of the following reaction of
1
2
3
4