Home
Class 12
CHEMISTRY
Which of the following complexes is more...

Which of the following complexes is more stable and why ? `[Co(en)_3]^(3+)` and `[Co(NH_3)_6]^(3+)`

Text Solution

Verified by Experts

Chelating ligands from more stable complexes complexes compared to non-chelating ligands. Since ethylene diammine is a bidentate ligand and froms stable chelate, `[Co(en)_(3)]^(3+)`
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET - II|12 Videos

  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET- III|10 Videos

  • SAMPLE PAPER 2019

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION: D|1 Videos

Similar Questions

Explore conceptually related problems

Which of the following is more stable ? (1) K_(4)[Fe(CN)_(6)] or K_(3)[Fe(CN)_(6)] (2) [Co(NH_(3))_(6)]^(3+) or [Co(en)_(2)(NH_(3))_(2)]^(3+) (3) [NiCl_(4)]^(2-) or [Ni(CN)_(4)]^(2-)

Which of the following is more stable ? (1) K_(4)[Fe(CN)_(6)] or K_(3)[Fe(CN)_(6)] (2) [Co(NH_(3))_(6)]^(3+) or [Co(en)_(2)(NH_(3))_(2)]^(3+) (3) [NiCl_(4)]^(2-) or [Ni(CN)_(4)]^(2-)

Which complex of the following pairs has the larger value of Delta_(0) (i) [Co(CN)_(6)]^(3-) and [Co(NH_(3))_(6)]^(3+) (ii) [Co(NH_(3))_(6)]^(3+) and [CoF_(6)]^(3-) (iii) [Co(H_(2)O)_(6)]^(2+) and [Co(H_(2)O)_(6)]^(3+) .

On the basic of CET explaine the following complex of Co^(3+) like [Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+) and [Co(NO_(2))_(6)]^(3-) are diamagntic while [CoF_(6)]^(3-) and [Co(H_(2)O)_(6)]^(3+) are paramagnetic .

Which of the following complexes can exists as enantiomers ? Draw their structures (a) cis-[Co(NH_(3))_(4)Br_(2)]^(+) " " (b) cis-[Cr(H_(2)O)_(2)(en)_(2)]^(3+)" " (c )[Cr(gly)_(3)] (d) [Cr(en)_(3)]^(3+) " " ( e) cis-[Co(NH_(3))Cl(en)_(2)]^(2+) " " (f) trans-[Co(NH_(3))_(2)(en)_(2)]^(2+)

The shape of [Co(NH_(3))_(6)]^(3+) is

Among the following, the most stable complex is (i). [Fe(H_2O)_6]^(3+) (ii). [Fe(NH_3)_6]^(3+) (iii). [Fe(C_2O_4)_3]^(3-) (iv). [FeCl_6]^(3-)

What type of isomerism exists in the following pairs of complexes ? (i) [Co(NH_(3))_(5)NO_(3)]SO_(4) and [Co(NH_(3))_(5) SO_(4) ] NO_(3) (ii) [Co(en)(H_(2)O)_(2) Cl_(2)] Cl and [Co(en) (H_(2)O) Cl_(3) ] H_(2)O

Write IUPAC name for each of the following complexes : (i) [Ni(NH_3)_6]Cl_2 (ii) K_3[Fe(CN)_6] (iii) [Co(en)_3]^(3+)

The correct order for the CFSE (numerical value ) for the following complexes is : {:("Complex",P,Q,R,S),("Formula",[CoF_(6)]^(3-),[Co(CN)_(6)]^(3-),[Co(NH_(3))_(6)]^(3+),[Co(H_(2)O)_(6)]^(3+)):}

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-C.B.S.E. CLASS-XII
  1. Give one example each of 'oil water' and 'water oil' emulsion.

    Text Solution

    |

  2. Which reducing agent is employed to get copper from the leached low-gr...

    Text Solution

    |

  3. Which of the following complexes is more stable and why ? [Co(en)3]^(3...

    Text Solution

    |

  4. Write the IUPAC Name of the compound.

    Text Solution

    |

  5. Which of the following isomers is move volatile : o-nitrophenol or p-n...

    Text Solution

    |

  6. What are isotonic solutions?

    Text Solution

    |

  7. Arrange the following compounds is increasing order of solubility in w...

    Text Solution

    |

  8. Which of the components of starch is water soluble ?

    Text Solution

    |

  9. An element with density 11.2 g cm^(-3) forms a f. c. c. lattice with e...

    Text Solution

    |

  10. Calculatate the mass of compound (molar mass = 256 g mol^(-1) be the d...

    Text Solution

    |

  11. Define an ideal solution and write one of its characteristics.

    Text Solution

    |

  12. Write two differences between 'order of reaction' and 'molecularity of...

    Text Solution

    |

  13. Outline the principples behind the refining of metals by the following...

    Text Solution

    |

  14. Complete the following chemical equtions : (i) Ca(3)P(2)+H(2)O to ...

    Text Solution

    |

  15. Arrange the following order of property indicated against each set : ...

    Text Solution

    |

  16. Write the IUPAC name of the complex [Cr(NH(3))(4)Cl(2)]^(+) . What ty...

    Text Solution

    |

  17. (a) In reference to Freundlich adorption isotherm write the expression...

    Text Solution

    |

  18. Draw the structures of the following molecules : (i) XeOF(4) ...

    Text Solution

    |

  19. Account for the following : (i) PCl(5) is more covalent than PCl(3)...

    Text Solution

    |

  20. The following data were obtained during the first order thermal decomp...

    Text Solution

    |