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Chemistry
In which of the following coordination compounds do the transition metals have an oxidation number of +6?
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Q. In which of the following coordination compounds do the transition metals have an oxidation number of +6?
NTA Abhyas
NTA Abhyas 2020
Coordination Compounds
A
$\left[ Cr \left( H _{2} O \right)_{4} Cl _{2}\right]$ Cl. $2 H _{2} O$
B
$\left[ Fe ( CO )_{5}\right]$
C
$\left[\left( H _{2} O \right)_{5} Cr - O - Cr \left( H _{2} O \right)_{5}\right]^{4+}$
D
$K _{2}\left[ Cr ( CN )_{2} O _{2}\left( O _{2}\right) NH _{3}\right]$
Solution:
In this complex, oxide and peroxide both ligands are present
So +2 + x - 8 = 0
x = + 6.
