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0,185g of an iron wire containing 99.8% ...

0,185g of an iron wire containing `99.8%` iron is dissolved in an acid to from ferrous ions. The solution requires 33mL of `K_(2)Cr_(2)O_(7)` solution for complete reaction. The normality of the `K_(2)Cr_(2)O_(7)` solution is :

A

`0.05`

B

`0.20`

C

`0.02`

D

`0.10`

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The correct Answer is:
d
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