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The non -existant metal carbonyl amon...

The non -existant metal carbonyl among the following is `

A

`Cr(CO)_(6)`

B

`Mn(CO)_(5)`

C

`Ni(CO)_(4) `

D

`Fe(CO)_(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
By applying the EAN rule , the stability of metal carbonyls can be predicted .All the given metal carbonyls except `Mn(CO)_(5)` follows the EAN rule and thus , it exists as dimer `Mn_(2)(CO)_(10+)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COORDINATION COMPOUNDS-Exercise2 (Miscellaneous Problems)
  1. Which among the following will be named as dibromidobis ( ethye...

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

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  3. Consider the follwing complexes ion P,Q and R P =[FeF(6)]^(3-), Q=[V...

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  4. One mole of complex compound Co(NH3)5Cl3 gives 3 moles of ions on diss...

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

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

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

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

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

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

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

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  12. What is the structural formula of lithium tetrahydrido aluminate

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  13. Which of the following can participate in linkage isomerism ?

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  14. The non -existant metal carbonyl among the following is

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  15. Consider the following statements , I. In coordination compound...

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  16. The name of is

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  17. Atomic number of Mn , Fe CO and Ni are 25,26,27 and 28 respec...

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  18. Which one of the following has a square planar geometry ?

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  19. Which one of the cyano complexes would exhibit the lowest valu...

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  20. The pair of compounds having metals in their highest oxidation ...

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