KCET SERIES Chemistry
Electrochemical Cells
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
3
2025 1
2023 1
2004 1
1998 Chapter Questions 6 MCQs
01
PYQ 1998
medium
chemistry ID: kcet-199
A device, in which electrical energy is converted into chemical energy, is called:
1
electrochemical cell
2
electrolytic cell
3
galvanic cell
4
fuel-cell
02
PYQ 2004
medium
chemistry ID: kcet-200
Aluminium displaces hydrogen from dilute HCl whereas silver does not. The E.M.F. of a cell prepared by combining and is The reduction potential of silver electrode is . The reduction potential of aluminium electrode is :
1
3.26 V
2
-1.66 V
3
+ 1.66 V
4
-3.26 V
03
PYQ 2023
hard
chemistry ID: kcet-202
Consider the following 4 electrodes
A : Ag+ (0.0001 M)/Ag(s) ; B : Ag+ (0.1 M) / Ag(s)
C : Ag+ (0.01 M)/Ag(s) ; D : Ag+ (0.001 M) / Ag(s); =+ 0.80 V
Then reduction potential in volts of the electrodes in the order
A : Ag+ (0.0001 M)/Ag(s) ; B : Ag+ (0.1 M) / Ag(s)
C : Ag+ (0.01 M)/Ag(s) ; D : Ag+ (0.001 M) / Ag(s); =+ 0.80 V
Then reduction potential in volts of the electrodes in the order
1
B > C > D > A
2
C > D > A > B
3
A > D > C > B
4
A > B > C > D
04
PYQ 2025
medium
chemistry ID: kcet-202
Match the following and select the correct option for the quantity of electricity, in Cmol , required to deposit various metals at the cathode.
1
, ii) 386000 Cmol
2
, iii) 289500 Cmol
3
, iv) 96500 Cmol
4
, i) 193000 Cmol
05
PYQ 2025
medium
chemistry ID: kcet-202
Catalysts are used to increase the rate of a chemical reaction. Because it
1
Decrease the activation energy of the reaction
2
Brings about improper orientation of reactant molecules
3
Increases the potential energy barrier
4
Increases the activation energy of the reaction
06
PYQ 2025
medium
chemistry ID: kcet-202
For a given half cell, on increasing the concentration of aluminium ion, the electrode potential will
1
No change
2
First increase then decrease
3
Increase
4
Decrease
About Electrochemical Cells - KCET
Electrochemical Cells is a vital chapter for KCET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Electrochemical Cells PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Electrochemical Cells carry the most weight. Then, tackle the questions iteratively to solidify your understanding.