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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

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The correct Answer is:
C
A complex is formed, when ligand(s) donates ts (their) electrons to the vacant d- orbital of transition metals. Since, the electrons are given by only ligands and used up by metals as well as ligands, the bond formed is called coordinate bond.
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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 :

NARAYNA-CO-ORDINATE COMPOUNDS -Exercise-3
  1. The most stable complex among the following

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  2. Choose the correct statement

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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 d-electron configurations of Cr^(2+), Mn^(2+), Fe^(2+) and Co^(2+)...

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  5. Of the following complex ions, which is diamagnetic in natures?

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  6. The comlexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the exa...

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  7. The complex, [Pt(py)(NH3)BrCl] will have how many geometrical isomers?

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  8. From four transition metal octahedral complexes , (the choice g...

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  9. Which one of the following is an outer orbital complex and exhibits pa...

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  10. A magnetic moment of 1.73 B.M. will be shown by one among the followin...

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  11. Among the following complexes, the one which shows zero crystal field ...

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

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

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  14. The sum of coordination number and oxidation number of the metal M in ...

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  15. Number of possible isomer for the complex [Co(en)(2)CI(2)]CI will be: ...

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  16. Cobalt (III) chloride forms several octahedral complexes with amonia. ...

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  17. Which of the following has longest [CO(CN)(6)]^(3-) bond length?

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  18. Which of the following has longest C-O bond length? (Free C-O bond len...

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

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

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