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Formation of Complexes

In the dichro...

Question

In the dichromate dianion :

4 C r - O

bond are equivalent

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6 C r - O

bonds are equivalent

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All

C r - O

bonds are equivalent

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All

C r - O

bonds are non-equivalent

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Solution

The correct option is B $6 C r - O$ bonds are equivalent

Six $C r - O$ bonds are equivalent due to resonance and two bridged $C r - O$ bonds are equivalent (no resonance).

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Similar questions

4 C r - O

6 C r - O

C r_{2} O_{7}^{2 -}

C r_{2} O_{7}^{2 -}

Number of $C r - O$ bonds in dichromate ion $(C r_{2} O_{7}^{2 -})$ is:

M - O

(I)

{C r O}_{4}^{2 -}

(I I)

{M n O}_{4}^{-}

(I I I)

{C r}_{2} O_{7}^{2 -}

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