1.

What is the electrochemical equivalent of a substance when 150 gm of it is deposited by 10 ampere of current passed for 1 sec?

Answer»

Solution :GIVEN :
Amount of the substance deposited,
`""m=150g`
current strength = 1 = 10 ampere
`""Time=t=1sec`.
By Faraday.s first LAW,
Formula : m = ZIt
Solution : `therefore Z=m/(It)=150/(10 times 1)`
ELECTROCHEMICAL equivalent
`""`= 15.0 gm `coloumb^(-1)`


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