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The coordination number,oxidation number...

The coordination number,oxidation number and the number of d-electrons in the metal ion in the complex `[CoCl_(2)(en)_(2)]Cl` , are respectively (atomic number of CO= 27)

A

4,3 and 6

B

6,2 and 6

C

6, 6 and 3

D

4, 2 and 6

Text Solution

Verified by Experts

The complex is : `[CoCl_2(en)_2]`Cl.
Complex is octahedral , CN of CO is 6
`Co^(3+)` has `3d^(6)` electronic configuration is +3
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -Select the correct answers
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  2. Which among the following is a homoleptic complex ?

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  8. Correct increasing order for the wavelengths of absorption in the visi...

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  9. Pick out the correct statement with respect to [Mn(CN)(6)]^(4-)

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  10. The type of isomersim shown by the complex [CoCl(2) (en)(2)] is

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

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  12. Iron carbonyl, Fe(CO)5 is

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  13. Which of the following is a pair of diamagnetic complexes ?

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  14. The oxidation state of Cr in [Cr(NH(3))(4)Cl(2)]^(+) is:

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  15. The correct increasing order of trans-effect of the following species ...

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  16. In the separation of Cu^(2+) and Cd^(2+) of Iind group in qualitative ...

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  17. Which of the following complex ions is diamagnetic ?

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  18. When 0.01 mole of a cobalt complex is treated with excess of silver ni...

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  19. The ratio of magnetic moment (spin only value) between [FeF(6)]^(3-) a...

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  20. Consider the following two complex ions : [CoF(6)]^(3-) and [Co(C(2)O(...

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