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Coordination number of Cr is three. A co...

Coordination number of Cr is three. A comlex ion of Cr with `C_(2)O_(4)^(2-)` end and superoxide ion, `O_(2)^(-)` has the fomula , `[Cr(CO_(2)O_(4))_(x)(en)_(y)(O_(2))_(z)]^(-)` The ratio `x:y:z` will be

A

`1:1:1`

B

`1:1:2`

C

`1:2:2`

D

`2:1:1`

Text Solution

Verified by Experts

The correct Answer is:
B
The ratio of x,t and z be such that , total more charge =-1
`3+1(-2) +1xx0+2(-1)=-1`
The ratio of ` x: y:z =1:1:2`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COORDINATION COMPOUNDS-Exercise2 (Miscellaneous Problems)
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  2. Which of the following will give a pair of enantiomorphs? .

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  3. Coordination number of Cr is three. A comlex ion of Cr with C(2)O(4)^(...

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  10. Which among the following will be named as dibromidobis ( ethye...

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  11. Which of the following is a negatively charged bidentable ligan...

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  14. Co-ordination number of platinum in [Pt(NH(3))(4)Cl(2)]^(2+) ion is :

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  15. Ammonia gas does not evolve from the complex FeCl(2).4NH(3) B...

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  16. How many electrons are present in 3d - orbital of tetrahedral ...

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  17. The two isomers X and Y with the formula Cr(H(2)O)(5)ClBr were taken f...

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  18. Geometrical shapes of the complexes fromed by the reaction of Ni^(2+)...

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  19. Which of the following shell , form only outer orbital octahed...

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  20. In Fe(CO)(5) . the Fe- C bond possesses

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