A) 1
B) 2
C) 3
D) 4
Correct Answer: C
Solution :
From Faraday?s first law, \[w=\frac{E}{96500}\times i\times t\] Let the oxidation state of metal is\[x\]. \[\therefore \] \[E=\frac{M}{x}\] [where, M = atomic weight] \[\Rightarrow \] \[22.2=\frac{177}{x\times 96500}\times 2\times 5\times 60\times 60\] \[\therefore \] \[x=\frac{177\times 2\times 5\times 3600}{22.2\times 96500}\] Or \[x=3\]You need to login to perform this action.
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