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20 mL solution of 0.1 M ferrous suplhat...

20 mL solution of 0.1 M ferrous suplhate was completely oxidised using a suitable oxidising agent what is the number of electronic exchanged ?

A

`1.204 xx 10^(22)`

B

193

C

1930

D

`1.204 xx 10^(21)`

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The correct Answer is:
D
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