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Question
The mass of the substance deposited or collected on either electrode during electrolysis is proportional to the quantity of current passed through it.This is known as ___ .
The mass of the substance deposited or collected on either electrode during electrolysis is proportional to the quantity of current passed through it.This is known as
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Solution
The correct option is C Faraday's First Law of Electrolysis.
According to this law, the chemical deposition due to flow of current through an electrolyte is directly proportional to the quantity of electricity (coulombs) passed through it. i.e. mass of chemical deposition,
m ∝ Quantity of electricity, Q ⟹ m = Z.Q
Where, Z is a constant of proportionality and is known as electro-chemical equivalent of the substance.
If we put Q = 1 coulombs in the above equation, we will get Z = m which implies that electro-chemical equivalent of any substance is the amount of the substance deposited on passing of 1 coulomb charge through the solution.
According to this law, the chemical deposition due to flow of current through an electrolyte is directly proportional to the quantity of electricity (coulombs) passed through it. i.e. mass of chemical deposition,
m ∝ Quantity of electricity, Q ⟹ m = Z.Q
Where, Z is a constant of proportionality and is known as electro-chemical equivalent of the substance.
If we put Q = 1 coulombs in the above equation, we will get Z = m which implies that electro-chemical equivalent of any substance is the amount of the substance deposited on passing of 1 coulomb charge through the solution.
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