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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.

1Papers
1Years
4Questions
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 4 100%

Question type distribution

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

Multiple Choices 4 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
4 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
4 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Electrochemistry
4 Qs

Paper coverage

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

KCET 2026
4 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
KCET 202620264View paper

All Electrochemistry previous year questions

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

1
2026 · Chemistry · Physical Chemistry · Electrochemistry
KCET 2026
$\Lambda^0_{m(\text{NH}_4\text{OH})}$ is equal to ____
A
$\Lambda^0_{m(\text{NH}_4\text{OH})} + \Lambda^0_{m(\text{NH}_4\text{Cl})} - \Lambda^0_{m(\text{HCl})}$
B
$\Lambda^0_{m(\text{NH}_4\text{Cl})} + \Lambda^0_{m(\text{NaOH})} - \Lambda^0_{m(\text{NaCl})}$
C
$\Lambda^0_{m(\text{NH}_4\text{Cl})} + \Lambda^0_{m(\text{NaCl})} - \Lambda^0_{m(\text{NaOH})}$
D
$\Lambda^0_{m(\text{NaOH})} + \Lambda^0_{m(\text{NaCl})} - \Lambda^0_{m(\text{NH}_4\text{Cl})}$
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2
2026 · Chemistry · Physical Chemistry · Electrochemistry
KCET 2026
The conductivity of centimolar solution of KCl at $298$ K is $0.021\text{ Ohm}^{-1}\text{cm}^{-1}$ and the resistance of the cell containing the solution at $298$ K is $60\,\Omega$. The value of cell constant ($G^*$) is __________.
A
$3.28\text{ cm}^{-1}$
B
$1.26\text{ cm}^{-1}$
C
$3.34\text{ cm}^{-1}$
D
$1.34\text{ cm}^{-1}$
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3
2026 · Chemistry · Physical Chemistry · Electrochemistry
KCET 2026
During the electrolysis of acidified water, $16$ g of $\text{O}_2$ gas is formed at anode. The volume of $\text{H}_2$ gas liberated at cathode under STP conditions is
A
$22.4$ L
B
$11.2$ L
C
$2.24$ L
D
$1.12$ L
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4
2026 · Chemistry · Physical Chemistry · Electrochemistry
KCET 2026
Given below are the half-cell reactions:
$\text{Mn}^{2+} + 2e^- \rightarrow \text{Mn} \quad (E^0 = -1.18\text{ V})$
$2(\text{Mn}^{3+} + e^- \rightarrow \text{Mn}^{2+}) \quad (E^0 = +1.51\text{ V})$
The $E^0_{cell}$ for $3\text{Mn}^{2+} \rightarrow \text{Mn} + 2\text{Mn}^{3+}$ will be _____________.
A
$-2.69$ V, the reaction will not occur (Non-Spontaneous)
B
$-2.69$ V, the reaction will occur (Spontaneous)
C
$-0.33$ V, the reaction will not occur (Non-Spontaneous)
D
$-0.33$ V, the reaction will occur (Spontaneous)
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