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In which of the following octahedral com...

In which of the following octahedral complexes of Co (at. no. 27), will the magnitude of `Delta_o` be the highest?

A

`[Co(CN)_6]^(3-)`

B

`[Co(C_2O_4)_3]^(3-)`

C

`[CO(H_2O)_6]^(3+)`

D

`[Co(NH_3)_6]^(3+)`

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The correct Answer is:
A
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MOTION-COORDINATION COMPOUND-EXERCISE -4 LEVEL I PREVIOUS YEAR JEE MAIN
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  2. The IUPAC name of the complex [Co(NO2)(NH3)5]Cl2 is

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  3. Nickel (Z=28) combines with a uninegative monodentate ligand X^(-) to ...

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  4. In Fe(CO)5, the Fe-C bond possesses:

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  5. How many EDTA molecules are required to make an octahedral complex wit...

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  6. The "spin-only" magnetic moment [in units of Bohr magneton, (muB)] or...

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

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  8. The coordination number and the oxidation state of the element 'E' in ...

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  9. In which of the following octahedral complexes of Co (at. no. 27), wil...

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  10. Which of the following has an optical isomer?

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  11. Which of the following pairs represents linkage isomers?

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  12. Which of the following complex species is not expected to exhibit opti...

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  13. The octahedral complex of a metal ion M^(3+) with four monodentate lig...

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  14. Which of the following compounds is not yellow coloured ?

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  15. The number of geometric isomers that can exist for square planar [Pt(C...

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  16. The pair having the same magnetic moment is [at. No. Cr = 24, Mn = ...

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  17. Which one of the following complexes shows optical isomerism?

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  18. On treatment of 100 mL of 0.1 M solution of COCl(3).6H(2)O with excess...

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  19. For 1 molal aqueous solution of the following compounds, which one wil...

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  20. Hydrogen peroxide oxidises [Fe(CN)(6)]^(4-) to [Fe(CN)(6)]^(3-) in aci...

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