The time required to liberate one gram equivalent of an element by passing one ampere current through its solution is:
6.7 Hrs
19.9 Hrs
26.8 Hrs
13.4 Hrs
A
6.7 Hrs
B
26.8 Hrs
C
13.4 Hrs
D
19.9 Hrs
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Solution
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A Faraday is defined as amount of electric charge in one mole of electrons. 1F=96,500 coulombs
We know that : Q(C)=I(A)×t(s) Where, Q= charge =96,500C I= current 1A t= time
Putting the values in the formula : t=96500(C)1(A) =96500s =26.8hrs
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