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In the complex ion [CoNH(3))(6)]^(3+) ,...

In the complex ion `[CoNH_(3))_(6)]^(3+)` , the `NH_(3)` molecules are linked to the central metal ion by

A

ionic bonds

B

covalent bonds

C

coordinate bonds

D

hydrogen bonds

Text Solution

Verified by Experts

The correct Answer is:
C
A complex is formed , when ligand (s) donates its (their ) lone pair to the vacant d- ordbital of transition metals Since , the electrons are given only by ligands and used up by metals as well as ligands , the bond formed is called corrdinate bond .
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[Cr(NH_3)_6]^(3+) ion is:

The name of complex ion, [Fe(CN_(6))]^(3-) is

When crystals of CuSO_(4) are dissolved in water, there is hardly any evidence for the presence of Cu^(2+) ions or ammonia molecules. A new ion [Cu(NH_(3))_(4)]^(2+) is furnished in which ammonia molecules are directly linked with the metal ion . Similarly the aqueous solution of Fe(CN)_(2).4KCN does not give tests of Fe^(2+) and CN^(-) ions but gives test of a new ion, [Fe(CN)_(6)]^(4-) also called complex ions. Which one of the following statements is correct ?

When crystals of CuSO_(4) are dissolved in water, there is hardly any evidence for the presence of Cu^(2+) ions or ammonia molecules. A new ion [Cu(NH_(3))_(4)]^(2+) is furnished in which ammonia molecules are directly linked with the metal ion . Similarly the aqueous solution of Fe(CN)_(2).4KCN does not give tests of Fe^(2+) and CN^(-) ions but gives test of a new ion, [Fe(CN)_(6)]^(4-) also called complex ions. Predict the incorrect statements from the options given below :

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-COORDINATION COMPOUNDS-Exercise 1
  1. A complex compound in which the oxidation number of a metal is ...

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

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  3. In the complex ion [CoNH(3))(6)]^(3+) , the NH(3) molecules are li...

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  4. The oxidation state of Fe in brown complex [Fe(H(2)O)(5)NO]SO(4) is

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  5. The number of unidentate ligands in the complex ion is called

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  6. The denticity of the ligand N(CH(2)CH(2)NH(2))(3) is

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  7. How many ions are produced from [Co(NH(3))(6)]Cl(3) in solution ?

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  8. The name of the ring structure complex compound formed between ...

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  9. The primary and secondary valencies of chromium in the complex ion, di...

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  10. Potassium ferrocyanide is a

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  11. EDTA has coordination number

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  12. Ligands are

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  13. Which complex gives three chloride ions per formula unit ?

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

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  15. The ionisation isomer of [Cr(H(2)O)(4) Cl (NO(2))]Cl

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  16. The IUPAC name of [Co (NH(3))(5)ONO]^(2+) ion is

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  17. The possible number of the stereo isomers in [Cr(en)(2)Cl(2)]^(o+) is ...

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  18. The complexes [Co(NH(3))(6)][Cr(CN)(6)] and [Cr(NH(3))(6)][Co(CN)(6)] ...

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  19. Which can exist both as diastereoisomer and enantiomer ?

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  20. Due to the presence of ambidenate ligands coordination compounds show ...

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