My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Previous year question hub

Electrochemistry - Physical Chemistry - Chemistry Previous Year Questions

Practice Electrochemistry - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

37Papers
26Years
75Questions
1Topics

Electrochemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Electrochemistry. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 72 96%
Easy 3 4%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 75 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
75 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
75 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Electrochemistry
75 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

NEET 2026
2 Qs
NEET 2024
2 Qs
NEET 2024 RE EXAMINATION
2 Qs
NEET 2023 MANIPUR
3 Qs
NEET 2023
2 Qs
NEET 2022 Phase 1
3 Qs
NEET 2022 PHASE 2
2 Qs
NEET 2021
2 Qs
NEET 2020 PHASE 1
2 Qs
NEET 2019
2 Qs
AIIMS 2019
1 Qs
AIIMS 2018
3 Qs
NEET 2018
1 Qs
NEET 2017
1 Qs
NEET 2016 PHASE 2
5 Qs
NEET 2016 PHASE 1
1 Qs
AIPMT 2015
1 Qs
AIPMT 2015 Cancelled Paper
1 Qs
AIPMT 2014
2 Qs
NEET 2013
3 Qs
NEET 2013 KARNATAKA
2 Qs
AIPMT 2012 MAINS
3 Qs
AIPMT 2012 PRELIMS
1 Qs
AIPMT 2011 PRELIMS
3 Qs
AIPMT 2011 MAINS
1 Qs
AIPMT 2010 MAINS
2 Qs
AIPMT 2010 PRELIMS
2 Qs
AIPMT 2009
3 Qs
AIPMT 2008
3 Qs
AIPMT 2007
2 Qs
AIPMT 2006
2 Qs
AIPMT 2005
2 Qs
AIPMT 2004
1 Qs
AIPMT 2003
2 Qs
AIPMT 2002
1 Qs
AIPMT 2001
1 Qs
AIPMT 2000
3 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
NEET 202620262View paper
NEET 202420242View paper
NEET 2024 RE EXAMINATION20242View paper
NEET 202320232View paper
NEET 2023 MANIPUR20233View paper
NEET 2022 Phase 120223View paper
NEET 2022 PHASE 220222View paper
NEET 202120212View paper
NEET 2020 PHASE 120202View paper
AIIMS 201920191View paper
NEET 201920192View paper
AIIMS 201820183View paper
NEET 201820181View paper
NEET 201720171View paper
NEET 2016 PHASE 120161View paper
NEET 2016 PHASE 220165View paper
AIPMT 201520151View paper
AIPMT 2015 Cancelled Paper20151View paper
AIPMT 201420142View paper
NEET 201320133View paper
NEET 2013 KARNATAKA20132View paper
AIPMT 2012 MAINS20123View paper
AIPMT 2012 PRELIMS20121View paper
AIPMT 2011 MAINS20111View paper
AIPMT 2011 PRELIMS20113View paper
AIPMT 2010 MAINS20102View paper
AIPMT 2010 PRELIMS20102View paper
AIPMT 200920093View paper
AIPMT 200820083View paper
AIPMT 200720072View paper
AIPMT 200620062View paper
AIPMT 200520052View paper
AIPMT 200420041View paper
AIPMT 200320032View paper
AIPMT 200220021View paper
AIPMT 200120011View paper
AIPMT 200020003View paper

All Electrochemistry previous year questions

Practice every matching question in batches of 20, with every available option.

1
2000 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2000
Cell reaction is spontaneous when
A
\(\Delta\)Go is negative
B
\(\Delta\)Go is positive
C
\(\Delta\)Eored is positive
D
\(\Delta\)Eored is negative
Open complete paper
2
2000 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2000
For the disproportionation of copper
2Cu+  \(\to\) Cu2+ + Cu, Eo is
(Given Eo for Cu2+/Cu is 0.34 V and
Eo for Cu2+/Cu+ is 0.15 V.)
A
0.49 V
B
\(-\) 0.19 V
C
0.38 V
D
\(-\)0.38 V
Open complete paper
3
2000 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2000
Equivalent conductances of Ba2+ and Cl\(-\) ions are 127 and 76 ohm\(-\)1 cm\(-\)1 eq\(-\)1 respectively. Equivalent conductance of BaCl2 at infinite dilution is
A
139.5
B
101.5
C
203
D
279
Open complete paper
4
2001 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2001
Standard electrode potentials are
Fe2+/Fe [Eo = \(-\)0.44] and
Fe3+/Fe2+[ Eo = 0.77];
If Fe2+, Fe3+ and Fe blocks are kept together, then
A
Fe3+ increases
B
Fe3+ decreases
C
Fe2+/Fe3+ remains unchanged
D
Fe2+ decreases.
Open complete paper
5
2002 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2002
In electrolysis of NaCl when Pt electrode is taken then H2 is liberated at cathode while with Hg cathode it forms sodium amalgam
A
Hg is more inert than Pt
B
More voltage is required to reduce H+ at Hg than at Pt
C
Na is dissolved in Hg while it does not dissolve in Pt
D
Conc. of H+ ions is larger when Pt electrode is taken.
Open complete paper
6
2003 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2003
On the basis of the information available from the reaction,

4/3Al + O2 \(\to\) 2/3Al2O3,   \(\Delta\)G = \(-\) 827 kJ mol\(-\)1 of O2,

the minimum e.m.f. required to carry out an electrolysis of Al2O3 is
(F = 96500 C mol\(-\)1)
A
2.14 V
B
4.28 V
C
6.42 V
D
8.56 V
Open complete paper
7
2003 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2003
The e.m.f. of a Daniell cell at 298 K is E1.
AIPMT 2003 Chemistry - Electrochemistry Question 31 English
When the concentration of ZnSO4 is 1.0 M and that of CuSO4 is 0.01 M, the e.m.f. changed to E2. What is the relationship between E1 and E2?
A
E1 > E2
B
E1 < E2
C
E1 = E2
D
E2 = 0 \(\ne\) E1
Open complete paper
8
2004 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2004
The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25oC. The equilibrium constant of the reaction would be
A
2.0 \(\times\) 1011
B
4.0 \(\times\) 1012
C
1.0 \(\times\) 102
D
1.0 \(\times\) 1010
Open complete paper
9
2005 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2005
4.5 g of aluminium (at. mass 27 amu) is deposited at cathode from Al3+ solution by a certain quantity of electric charge. The volume of hydrogen produced at STP from H ions in solution by the same quantity of electric charge will be
A
44.8 L
B
22.4 L
C
11.2 L
D
5.6 L
Open complete paper
10
2005 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2005
The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is
(Atomic mass : Al = 27)
A
270 kg
B
540 kg.
C
90 kg
D
180 kg
Open complete paper
11
2006 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2006
EoFe2+/Fe = \(-\) 0.441 V and EoFe3+/Fe2+ = 0.771 V, the standard EMF of the reaction Fe + 2Fe3+ \(\to\) 3Fe2+ will be
A
0.111 V
B
0.330 V
C
1.653 V
D
1.212 V
Open complete paper
12
2006 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2006
A hypothetical electrochemical cell is shown below.

$$A\left| {{A^ + }\left( {xM} \right)} \right|\left| {{B^ + }\left( {yM} \right)} \right|B$$

The emf measured is + 0.20 V. The cell reaction is
A
A + B+ \(\to\) A+ + B
B
A+ + B \(\to\) A + B+
C
A+ + e\(-\) \(\to\) A;  B+ + e\(-\) \(\to\) B
D
the cell reaction cannot be predicted.
Open complete paper
13
2007 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2007
The equilibrium constant of the reaction:
Cu(s) + 2Ag+(aq) \(\to\) Cu2+(aq) + 2Ag(s);
Eo = 0.46 V at 298 K is
A
2.0 \(\times\) 1010
B
4.0 \(\times\) 1010
C
4.0 \(\times\) 1015
D
2.4 \(\times\) 1010
Open complete paper
14
2007 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2007
The efficiency of a fuel cell is given by
A
\(\Delta\)G/\(\Delta\)S
B
\(\Delta\)G/\(\Delta\)H
C
\(\Delta\)S/\(\Delta\)G
D
\(\Delta\)H/\(\Delta\)G
Open complete paper
15
2008 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2008
Kohlrausch's law states that at
A
Infinite dilution, each ion makes definite contribution to conductance of an electrolyte whatever be the nature of the other ion of the electrolyte
B
Infinite dilution, each ion makes definite contribution to equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte
C
Finite dilution, each ion makes definite contribution to equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte
D
Infinite dilution each ion makes definite contribution to equivalent conductance of an electrolyte depending on the nature of the other ion of the electrolyte.
Open complete paper
16
2008 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2008
Standard free energies of formation (in kJ/mol) at 298 K are \(-\)237.2, \(-\) 394.4 and \(-\)8.2 for H2O(l), CO2(g) and pentane (g) respectively. The value of Eocell for the pentane-oxygen fuel cell is
A
1.0968 V
B
0.0968 V
C
1.968 V
D
2.0968 V
Open complete paper
17
2008 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2008
On the basis of the following Eo values, the strongest oxidizing agent is
[Fe(CN)6]4\(-\) \(\to\) [Fe(CN)6]3\(-\) + e\(-\);  Eo = \(-\)0.35 V

Fe2+ \(\to\) Fe3+ + e\(-\);  Eo = \(-\)0.77 V
A
Fe3+
B
[Fe(CN)6]3\(-\)
C
[Fe(CN)6]4\(-\)
D
Fe2+
Open complete paper
18
2009 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2009
Al2O3 is reduced by electrolysis at low potentials and high currents. If 4.0 \(\times\) 104 amperes of current is passed through molten Al2O3 for 6 hours, what mass of aluminium is product? (Assume 100% current efficiency, at mass of Al = 27 g mol\(-\)1).
A
8.1 \(\times\) 104 g
B
2.4 \(\times\) 105 g
C
1.3 \(\times\) 104 g
D
9.0 \(\times\) 103 g
Open complete paper
19
2009 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2009
The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho cm2. The dissociation constant of this acid is
A
1.25 \(\times\) 10\(-\)6
B
6.25 \(\times\) 10\(-\)4
C
1.25 \(\times\) 10\(-\)4
D
1.25 \(\times\) 10\(-\)5
Open complete paper
20
2009 · Chemistry · Physical Chemistry · Electrochemistry
AIPMT 2009
Given :
(i)   Cu2+ + 2e\(-\) \(\to\) Cu,  Eo = 0.337 V
(ii)  Cu2+ + e\(-\) \(\to\) Cu+,  Eo = 0.153 V
Electrode potential, Eo for the reaction,
Cu+ + e\(-\) \(\to\) Cu,  will be
A
0.90 V
B
0.30 V
C
0.38 V
D
0.52 V
Open complete paper

Showing 20 of 75 questions