Co c2o4 3 3 oxidation number
Asked by maham237 @ in Chemistry viewed by 247 People
In the compound k[co(c2o4)2(h2o)2] (where c2o42– = oxalate) the oxidation number and coordination number of cobalt are, respectively
Answered by maham237 @
Let's Assign Symbols to molecules like,
C₂O₄ = X
and
H₂O = Y
Then,
K [ Co (X)₂ (Y)₂ ]
As, Potassium (K) has a O.N = +1
To neutralize, the coordination sphere must have -1 oxidation number.
So,
[ Co (X)₂ (Y)₂ ] = -1
As,
O.N of X = -2
Then
O.N of (X)₂ = -4
Also,
O.N of H₂O is zero as it is neutral, So,
[Co - 4 + 0 ] = -1
Or,
Co = -1 + 4
Co = +3
Result:
Oxidation Number of Coordination Sphere is -1 and Oxidation Number of Cu is +3.
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