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The coordination number and oxidation nu...

The coordination number and oxidation number of `Cr` in `K_(3)[Cr(C_(2)O_(4))_(3)]` are, respectively,

A

3 and +3

B

3 and 0

C

6 and +3

D

4 and +2

Text Solution

Verified by Experts

The correct Answer is:
C
Coordination number of Cr is 6 (oxalate is bidentate ligand) and oxidation state of Cr in `K_(3)[Cr(C_(2)O_(4))` is calculated below.
`3(1)+x+3(-2)=0`
`3+x+(-6)=0`
`x=6-3`
`x=+3`
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