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Which of the following has longest C - O...

Which of the following has longest C - O bond length ? (Free C - O bond length in CO is 1.128 `A^@`)

A

`[Fe(CO)_4]^(2-)`

B

`[Mn(CO)_6]^(+)`

C

`Ni(CO)_4`

D

`[Co(CO)_4]^(Ө)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-COMPLEX COMPOUNDS -Objective Exercise-3 (PREVIOUS NEET/AIPMT)
  1. Low spin complex of d^6- cation in an octahedral field willhave the fo...

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  2. A magnetic moment of 1.73 B.M. will be shown by a complex among the fo...

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  3. An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichloro...

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  4. Among the following complexes the one which shows zero crystal field s...

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  5. Which of the following complexes is used as an anti-cancer agent ?

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  6. Which of these statement about [Co(CN)6]^(3-) is true?

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  7. Cobalt (III) chloride forms several octahedral complexes with ammonia....

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  8. The name of complex ion [Fe(CN)6]^(3-) is

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  9. The hybridization involved in the complex [Ni(CN)4]^(2-) is (At. No. ...

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  10. The co-ordination number and the oxidation state of the element 'M' in...

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  11. Number of possible isomers for the complex [co(en)3Cl3]Cl will be : (e...

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  12. Which of the following has longest C - O bond length ? (Free C - O bon...

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  13. Jahn-Teller effect is not observed in high spin complexes of

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  14. Pick out the correct statement with respect to [Mn(CN)6]^(3-)

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  15. The correct order of the stiochiometers of AgCl formed when AgNO3 in e...

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  16. An example of a sigma bonded organometallic compounds is

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  17. Correct increasing order for the wavelength of absorption in the visib...

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  18. Iron carbonyl, Fe(CO)5 is

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  19. The type of isomerism shown by the complex [CoCl2(en)2] is

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  20. The geometry and magnetic behavior of the complex [Ni(CO)4] are

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