If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Chemistry Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Chapter 3 Electrochemistry with Answer Keys.
Electrochemistry MCQ Questions for Class 12 Question No 11:
Galvanized iron is
Option A : Iron coated with tin
Option B : Tin coated with iron
Option C : Zinc coated with iron
Option D : Iron coated with zinc
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Option D : Iron coated with zinc
Electrochemistry MCQ Questions for Class 12 Question No 12:
In a galvanic cell
Option A : Chemical energy is converted into electrical energy
Option B : Electrical energy is converted into chemical energy
Option C : The cathode is the negative terminal and the anode is the positive terminal
Option D : None of these
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Option A : Chemical energy is converted into electrical energy
Electrochemistry MCQ Questions for Class 12 Question No 13:
When a lead battery is discharged,
Option A : Lead Sulphate is consumed
Option B : Oxygen gas is evolved
Option C : Lead sulphate is formed
Option D : Lead sulphide is formed
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Option C : Lead sulphate is formed
Electrochemistry MCQ Questions for Class 12 Question No 14:
When water is added to an aqueous solution of an electrolyte, what is the change in specific conductivity of the electrolyte?
Option A : Conductivity decreases
Option B : Conductivity increases
Option C : Conductivity remains same
Option D : Conductivity does not depend on number of ions
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Option A : Conductivity decreases
Electrochemistry MCQ Questions for Class 12 Question No 15:
In an electrolytic cell, the flow of electrons is
Option A : From cathode to anode in the solution
Option B : From cathode to anode through external supply
Option C : From cathode to anode through internal supply
Option D : From anode to cathode through internal supply
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Option C : From cathode to anode through internal supply
Electrochemistry MCQ Questions for Class 12 Question No 16:
Cell reaction is spontaneous, when
Option A : E0red is negative
Option B : ΔG0 is negative
Option C : E0 oxd is positive
Option D : ΔG0 is positive
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Option B : ΔG0 is negative
Electrochemistry MCQ Questions for Class 12 Question No 17:
The cell constant of an electrochemical cell is given by
Option A : k/R
Option B : Rk
Option C : R2k
Option D : R/k
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Option B : Rk
Electrochemistry MCQ Questions for Class 12 Question No 18:
A salt bridge may contain
Option A : A saturated solution of KCl and agar-agar
Option B : A saturated solution of KNO3 and agar-agar
Option C : A saturated solution of NH4NO3 and agar-agar
Option D : All of these
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Option D : All of these
Electrochemistry MCQ Questions for Class 12 Question No 19:
1 Farad = ? C
Option A : 96500C
Option B : 69500C
Option C : 59600C
Option D : 95600C
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Option C : 6
Electrochemistry MCQ Questions for Class 12 Question No 20:
Fluorine is the best oxidizing agent because it has
Option A : Highest electron affinity
Option B : Highest reduction potential
Option C : Highest oxidation potential
Option D : Lowest electron affinity
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Option B : Highest reduction potential