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प्रश्न
Specify the oxidation number of the metal in the following coordination entity:
[Co(H2O)(CN)(en)2]2+
उत्तर
Let the oxidation number of the metal be x.
Hence, x + 0 + (−1) + (2 × 0) = +2
x = 2 + 1
∴ x = +3
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