Coordination Compounds

Short Answer Type

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Specify the oxidation numbers of the metals in the following coordination entities:
[Cr(NH3)3Cl3]

The oxidation number of the metal in the coordination entities:
Cr =x
NH3 =
Cl =(-1)

Thus the oxidation number is

x + 0 + 3(–1) = 0
or x = 3

oxidation no. of Cr = 3

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