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n-factor of ferrous oxalate and ferric o...

n-factor of ferrous oxalate and ferric oxalate when they react with `K_(2)Cr_(2)O_(7)` is acidic medium are

A

2,6

B

6,2

C

3,6

D

6,3

Text Solution

Verified by Experts

The correct Answer is:
C
(i). `{:([Fe^(2+)toFe^(3+)+e^(-)),(C_(2)O_(4)^(2-)to2CO_(2)+2e^(-)):}(n=3)`
(ii). `Fe_(2)(C_(2)O_(4))_(3),Fe^(3+)` ion does not change.
`3C_(2)O_(4)^(2-)to6CO_(2)+6e^(-)`
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