The electric charge for electrode deposition of 1gm. Equivalent of a substance is:
96,500 coulombs
one ampere for one hour
one ampere per sec
charge in faradays
A
96,500 coulombs
B
charge in faradays
C
one ampere per sec
D
one ampere for one hour
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Solution
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According to Faraday's laws, for deposition of 1 gm of an equivalent weight of a substance, amount of charge required is equal to the charge on one mole of electrons.
i.e., the Electric charge required = Electric charge on one mole of electrons
= Charge on one electron x Avagadro's number
= 1.6×10−19×6.023×1023
= 96500 C/mol
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