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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.

16Papers
1Years
49Questions
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 49 100%

Question type distribution

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

Multiple Choices 49 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
49 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
49 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Electrochemistry
49 Qs

Paper coverage

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

MHT CET 2026 11th April Morning Shift
4 Qs
MHT CET 2026 11th April Evening Shift
3 Qs
MHT CET 2026 13th April Evening Shift
3 Qs
MHT CET 2026 13th April Morning Shift
3 Qs
MHT CET 2026 15th April Evening Shift
3 Qs
MHT CET 2026 15th April Morning Shift
3 Qs
MHT CET 2026 16th April Evening Shift
3 Qs
MHT CET 2026 16th April Morning Shift
3 Qs
MHT CET 2026 17th April Evening Shift
3 Qs
MHT CET 2026 17th April Morning Shift
3 Qs
MHT CET 2026 18th April Evening Shift
3 Qs
MHT CET 2026 18th April Morning Shift
3 Qs
MHT CET 2026 19th April Evening Shift
3 Qs
MHT CET 2026 19th April Morning Shift
3 Qs
MHT CET 2026 20th April Evening Shift
3 Qs
MHT CET 2026 20th April Morning Shift
3 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
MHT CET 2026 11th April Evening Shift20263View paper
MHT CET 2026 11th April Morning Shift20264View paper
MHT CET 2026 13th April Evening Shift20263View paper
MHT CET 2026 13th April Morning Shift20263View paper
MHT CET 2026 15th April Evening Shift20263View paper
MHT CET 2026 15th April Morning Shift20263View paper
MHT CET 2026 16th April Evening Shift20263View paper
MHT CET 2026 16th April Morning Shift20263View paper
MHT CET 2026 17th April Evening Shift20263View paper
MHT CET 2026 17th April Morning Shift20263View paper
MHT CET 2026 18th April Evening Shift20263View paper
MHT CET 2026 18th April Morning Shift20263View paper
MHT CET 2026 19th April Evening Shift20263View paper
MHT CET 2026 19th April Morning Shift20263View paper
MHT CET 2026 20th April Evening Shift20263View paper
MHT CET 2026 20th April Morning Shift20263View paper

All Electrochemistry previous year questions

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

1
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Morning Shift
What is the conductivity of $0.02\ \text{M}\ \text{AgNO}_3$ solution having cell constant $1.2\ \text{cm}^{-1}$ and resistance $95.0\ \text{ohms}$ ?
A
$1.140 \times 10^{-2}\ \Omega^{-1}\ \text{cm}^{-1}$
B
$1.263 \times 10^{-2}\ \Omega^{-1}\ \text{cm}^{-1}$
C
$1.340 \times 10^{-2}\ \Omega^{-1}\ \text{cm}^{-1}$
D
$1.463 \times 10^{-2}\ \Omega^{-1}\ \text{cm}^{-1}$
Open complete paper
2
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Morning Shift
During the electrolysis of aqueous NaCl the product formed at cathode is?
A
$\text{Cl}_{2(g)}$
B
$\text{O}_{2(g)}$
C
$\text{Na}_{(s)}$
D
$\text{H}_{2(g)}$
Open complete paper
3
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Morning Shift
What is number of moles of electron passed when a current of $2$ Amp flows through solution of electrolyte for $10$ minutes?
A
$1.784 \times 10^{-2}$
B
$1.243 \times 10^{-2}$
C
$2.022 \times 10^{-2}$
D
$8.041 \times 10^{-2}$
Open complete paper
4
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Evening Shift
Determine the electrode potential of $\text{Sn}^{2+}(0.01\text{M})\ |\ \text{Sn(s)}$ at $25^\circ\text{C}$ if $E^\circ_{\text{Sn}}$ is $-0.136$ V.
A
$0.186$ V
B
$-0.186$ V
C
$-0.195$ V
D
$0.195$ V
Open complete paper
5
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Evening Shift
If molar conductance at infinite dilution for $\text{CH}_3\text{COO}^-$ and $\text{H}^+$ ions are $50\ \text{S cm}^2\ \text{mol}^{-1}$ and $350\ \text{S cm}^2\ \text{mol}^{-1}$ respectively, molar conductivity of $5 \times 10^{-2}$ M $\text{CH}_3\text{COOH}$ is $20\ \text{S cm}^2\text{mol}^{-1}$. What is the hydrogen ion concentration in $\text{mol/dm}^3$ of $\text{CH}_3\text{COOH}$?
A
$5 \times 10^{-2}$
B
$5 \times 10^{-3}$
C
$2.5 \times 10^{-3}$
D
$2.5 \times 10^{-4}$
Open complete paper
6
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Evening Shift
Which of the following expressions indicates the correct relationship between molar conductivity of strong electrolyte and its concentration?
A
$\Lambda = \Lambda_0 + \sqrt{c}$
B
$\Lambda = \Lambda_0 - a\sqrt{c}$
C
$\Lambda = \Lambda_0 + a\sqrt{c}$
D
$\Lambda = \Lambda_0 - \sqrt{c}$
Open complete paper
7
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Morning Shift
Which of the following reactions occurs at cathode during recharging of lead accumulator ?
A
$\text{PbO}_{2(s)} + 4\text{H}^+_{(aq.)} + \text{SO}_4^{2-}{}_{(aq.)} + 2e^- \rightarrow \text{Pb}_{(s)} + \text{PbSO}_{4(s)} + 2\text{H}_2\text{O}_{(\ell)}$
B
$\text{PbO}_{2(s)} + 4\text{H}^+\ 2e^- \rightarrow \text{Pb}^{2+} + 2\text{H}_2\text{O}_{(\ell)}$
C
$\text{Pb}_{(s)} + \text{SO}_4^{2-}{}_{(aq.)} \rightarrow \text{PbSO}_{4(s)} + 2e^-$
D
$\text{PbSO}_{4(s)} + 2e^- \rightarrow \text{Pb}_{(s)} + \text{SO}_4^{2-}{}_{(aq.)}$
Open complete paper
8
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Morning Shift
What is the quantity of electricity required to produce $8$ g of Mg (molar mass = $24\ \text{g mol}^{-1}$) from $\text{MgCl}_2$ solution ?
A
$0.222$ F
B
$0.444$ F
C
$0.666$ F
D
$0.888$ F
Open complete paper
9
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 20th April Morning Shift
What is the molar conductivity of $0.02$ M KI solution if its conductivity is $4.37 \times 10^{-4}\,\Omega^{-1}\,\text{cm}^{-1}$ ?
A
$8.74\ \Omega^{-1}\,\text{cm}^2\text{mol}^{-1}$
B
$21.85\ \Omega^{-1}\,\text{cm}^2\text{mol}^{-1}$
C
$43.70\ \Omega^{-1}\,\text{cm}^2\text{mol}^{-1}$
D
$13.65\ \Omega^{-1}\,\text{cm}^2\text{mol}^{-1}$
Open complete paper
10
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Evening Shift
If standard reduction potential of Zn, Ni and Fe are $-0.76\,\text{V}$, $-0.23\,\text{V}$ and $-0.44\,\text{V}$ respectively. For the reaction (Stated below) to be spontaneous find out electrodes X and Y considering above electrode potentials
$\text{X}_{(s)} + \text{Y}^{+2}_{(aq)} \longrightarrow \text{X}^{+2}_{(aq)} + \text{Y}_{(s)}$
A
X = Ni , Y = Fe
B
X = Ni , Y = Zn
C
X = Fe , Y = Zn
D
X = Zn , Y = Ni
Open complete paper
11
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Evening Shift
A galvanic cell consist copper electrode and standard hydrogen electrode. If $E^\circ\left(\text{Cu}^{+2}_{(aq)} | \text{Cu}_{(s)}\right) = +0.34\,\text{V}$, then identify a reaction taking place at positive electrode during working of cell.
A
$\text{Cu}_{(s)} \longrightarrow \text{Cu}^{+2}_{(aq)} + 2e^-$
B
$\text{Cu}^{+2}_{(aq)} + 2e^- \longrightarrow \text{Cu}_{(s)}$
C
$\text{H}_2\text{(g)} \longrightarrow 2\text{H}^+_{(aq)} + 2e^-$
D
$\text{H}^+_{(aq)} + 2e^- \longrightarrow \text{H}_2\text{(g)}$
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12
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Evening Shift
If standard reduction potential of four electrodes A, B, C, D are $+2.5\,\text{V}, +3.0\,\text{V}, -2.0\,\text{V}$ and $-1.5\,\text{V}$ respectively. When is the standard emf of cell maximum?
A
'A' is anode and 'B' is cathode
B
'B' is anode and 'D' is cathode
C
'C' is anode and 'B' is cathode
D
'B' is anode and 'C' is cathode
Open complete paper
13
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Evening Shift
Which of the following equimolar solutions is the best conductor of electricity at same temperature ?
A
$\text{CH}_3\text{COOH}$
B
$\text{NH}_4\text{OH}$
C
$\text{HCl}$
D
$\text{C}_6\text{H}_{12}\text{O}_6$
Open complete paper
14
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Evening Shift
What is molar conductivity of $\text{CH}_3\text{COOH}$ at zero concentration if the molar conductivities of $\text{H}_2\text{SO}_4$, $\text{K}_2\text{SO}_4$ and $\text{CH}_3\text{COOK}$ at zero concentrations are respectively x, y and z $\Omega^{-1}\text{cm}^2\text{mol}^{-1}$ ?
A
$\dfrac{(x - y)}{2} + z$
B
$(x - y + 2z)$
C
$(x + y - z)$
D
$\dfrac{(x - y)}{2} + 2z$
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15
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 19th April Evening Shift
What must be the molarity of $\text{BaCl}_2$ solution to have molar conductivity $240\,\Omega^{-1}\text{cm}^2\text{mol}^{-1}$ and conductivity $0.012\,\Omega^{-1}\text{cm}^{-1}$ at $25^\circ\text{C}$ ?
A
$0.01$ M
B
$0.02$ M
C
$0.05$ M
D
$0.1$ M
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16
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Morning Shift
For a certain redox reaction in galvanic cell $\text{X}_{(s)} + \text{Y}^{2+}_{(aq)} \longrightarrow \text{X}^{2+}_{(aq)} + \text{Y}_{(s)}$, $\text{E}^\circ$ cell is $0.0296\ \text{V}$ at $298\ \text{K}$. What is equilibrium constant of reaction?
A
$1$
B
$10$
C
$100$
D
$1000$
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17
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Morning Shift
Which of the following net cell reactions occurs in a galvanic cell containing cadmium electrode and standard hydrogen electrode?
$\text{E}^\circ_{(\text{Cd}^{2+}_{(aq)}|\text{Cd}_{(s)})} = -0.403\ \text{V}$.
A
$\text{H}_{2(g)} + \text{Cd}^{2+}_{(aq)} \longrightarrow 2\text{H}^+_{(aq)} + \text{Cd}_{(s)}$
B
$\text{Cd}_{(s)} + 2\text{H}^+_{(aq)} \longrightarrow \text{Cd}^{2+}_{(aq)} + \text{H}_{2(g)}$
C
$2\text{H}_{2(g)} + \text{Cd}^{2+}_{(aq)} \longrightarrow 4\text{H}^+_{(aq)} + \text{Cd}_{(s)}$
D
$2\text{Cd}_{(s)} + 2\text{H}^+_{(aq)} \longrightarrow 2\text{Cd}^{2+}_{(aq)} + \text{H}_{2(g)}$
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18
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 18th April Morning Shift
What happens in the oxidation number of Mn during working of dry cell.
A
Increases by 1
B
decreases by 1
C
Increases by 2
D
decreases by 2
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19
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 17th April Morning Shift
The conductivity of 0.02 M of KCl solution at 298 K is 0.0123 $\text{ohm}^{-1}\ \text{cm}^{-1}$. If the resistance of the cell containing this solution is 120 ohms, what is the value of the cell constant ?
A
$1.050\ \text{cm}^{-1}$
B
$1.025\ \text{cm}^{-1}$
C
$1.376\ \text{cm}^{-1}$
D
$1.476\ \text{cm}^{-1}$
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20
2026 · Chemistry · Physical Chemistry · Electrochemistry
MHT CET 2026 17th April Morning Shift
Which of the following hot aqueous solutions is used to dip carbon rods of $\text{H}_2 - \text{O}_2$ fuel cell ?
A
$\text{KCl}$
B
$\text{KOH}$
C
$\text{H}_2\text{SO}_4$
D
$\text{NH}_4\text{Cl}$
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Showing 20 of 49 questions