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Chemistry Question on Organic Chemistry- Some Basic Principles and Techniques

The brown ring complex compound is formulated as [Fe(H2O)5(NO)+]SO4.[Fe (H_2 O)_5 (NO)^+] SO_4. The oxidation state of iron is

A

1

B

2

C

3

D

0

Answer

1

Explanation

Solution

The total positive valency is +2 (because the only anion is SO42−)SO_4^{2-}). Therefore, oxidation state of Fe must be +1.