In electrolysis, mass of the substance liberated at cathode is proportional to
time of passage of current.
strength of the current passed.
quantity of electricity passed.
none of these
A
strength of the current passed.
B
time of passage of current.
C
quantity of electricity passed.
D
none of these
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Solution
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According to the first law of electrolysis the mass of of substance liberated at cathode is proportional to the quantity of electric charge passed through it or indirectly it's proportional to the quantity of electricity passed.
∵m=k×q
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