## Faraday's Law of electrolysis - MCQ - Basic Level

Compared to other sections, Chemistry is considered to be the most scoring section. If prepared thoroughly, chemistry can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. Laws of electrolysis were given by

•  Lanmark
•  Ostwald
•  Arrhenius

Q2. Faraday's laws of electrolysis are related to the

•  Atomic number of cation
•  Atomic number of anion
•  Equivalent weight of the electrolyte
•  Speed of the cation

Equivalent weight of the electrolyte

Q3. When the same quantity of electricity is passed through the solutions of different electrolytes in series, the amount of the products obtained are proportional to their

•  Atomic weights
•  Chemical equivalents
•  Gram molecular volume
•  Gram atomic ion

Chemical equivalents

Q4. A 0.200 M KOH solution is electrolysed for 1.5 hr using a current of 8.00 A. How many mol of O2 were produced at the anode

•  2.7x104C
•  8.8x104C
•  18.3x104C
•  1.7x104C

8.8x104C

Q5. The number of electrons involved in the reaction when a Faraday of electricity is passed through an electrolyte in solution is

•  12*1046
•  96500
•  6*1023
•  8*1016

6*1023

Q6. The electric charge for electrode decomposition of one gram equivalent of substance is

•  One Ampere per second
•  96500 Coulombs per second
•  One Ampere for one hour
•  Charge on one mole of electrons

96500 Coulombs per second

Q7. When 1 coulomb of charge is passed through electrolyte solution, then the mass deposited is equal to

•  Equivalent weight
•  Atomic weight
•  Electrochemical equivalent
•  Chemical equivalent

Electrochemical equivalent

Q8. Faraday has the dimensions of

•  Coulombs
•  Coulomb equivalent
•  Coulomb per equivalent
•  Coulomb per degree Kelvin

Coulomb per equivalent

•  Is a numerical constant
•  Depends on equivalent
•  Depends upon the current passed
•  Depends on the number of electrons

Depends upon the current passed

Q10. Faraday's laws of electrolysis will fail when

•  Temperature is increased
•  Inert electrodes are used
•  A mixture of electrolytes is used
•  In none of these cases

In none of these cases

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Faraday's Law of electrolysis - MCQ - Basic Level
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