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प्रश्न
The oxidation state of Fe in [Fe(CN)6]3− is ______.
रिकाम्या जागा भरा
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उत्तर
The oxidation state of Fe in [Fe(CN)6]3− is +3.
Explanation:
Let the oxidation state of Fe = x.
Each cyanide ligand (CN−) has a charge = –1.
The overall charge of the complex ion is –3.
So the equation is:
x + 6(−1) = −3
x − 6 = −3
x = −3 + 6
x = +3
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