Home
Class 12
CHEMISTRY
An aqueous solution of NiCl (2) was heat...

An aqueous solution of `NiCl _(2)` was heated with excess sodium cyanide in presence of strong oxidizing agent to form `[Ni (CN) _(6) ]^(2-).` The total change in number of unpaired electrons on metal centre is ____________.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY (SECTION-A)|80 Videos
  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY (SECTION-B)|40 Videos
  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISRY (SECTION-B)|9 Videos
  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR|Exercise CHEMSITRY|25 Videos
  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise CHEMISTRY (SECTION-B)|10 Videos

Similar Questions

Explore conceptually related problems

Number of unpaired electrons present in [Ni(H_(2)O)_(6)]^(2+)

Number of unpaired electrons present in [Ni(H_(2)O)_(6)]^(3+)

In aqueous solution, [Co(H_2O)_6]^(2+) (X) reacts with molecular oxygen in the presence of excess liquor NH_3 to give a new complex Y. The number of unpaired electrons in X and Y are, respectively

Dimethyl glyoxime forms a square planar conplex with Ni^(+2) .The number of unpaired electrons are

Difference in number of unpaired electron in [Ni(H_2O)]_6Cl_2 and [Ni(CN)_6]^(2-)

The total number of unpaired electrons present in [Co(NH_(3))_(6)]Cl_(2) and [Co(NH_(3))_(6)]Cl_(3) is

JEE MAINS PREVIOUS YEAR-JEE MAINS 2021-CHEMISTRY
  1. The hybridisations of the atomic orbitals of nitrogen in NO(2)^(-), NO...

    Text Solution

    |

  2. Which one of the following pairs of isomers is an example of metameris...

    Text Solution

    |

  3. The correct order of their reactivity towards hydrolysis at room tempe...

    Text Solution

    |

  4. Which one of the following statements is not true about enzymes?

    Text Solution

    |

  5. The major product (P) in the following reaction is:

    Text Solution

    |

  6. Metallic sodium does not react normally with :

    Text Solution

    |

  7. Outermost electronic configuration of a group 13 element, E, is 4s^(2)...

    Text Solution

    |

  8. In the above reactions, product A and product B respectively are:

    Text Solution

    |

  9. Which one of the following gases is reported to retard photosyntheis?

    Text Solution

    |

  10. Consider two chemical reactions (A) and (B) that take place during met...

    Text Solution

    |

  11. 100 ml of 0.0018 % (w/v) solution of Cl^(-) ion was minimum concentra...

    Text Solution

    |

  12. The vapour pressure of A and B at 25 ^(@) C are 90 mm Hg and 15 mm Hg ...

    Text Solution

    |

  13. Diamond has a three dimensional structure of C atoms formed by covalen...

    Text Solution

    |

  14. 4g equimolar mixture of NaOH and Na (2) CO(3) contains x g of NaOH and...

    Text Solution

    |

  15. For a given chemical reaction A to B at 300 K the free energy change i...

    Text Solution

    |

  16. PCl (5) (g) to PCl (3) (g) + Cl (2) (g) In the above first order rea...

    Text Solution

    |

  17. Potassium chlorate is prepared by electrolysis of KCl in basic solutio...

    Text Solution

    |

  18. The wavelength of electrons accelerated from rest through a potential ...

    Text Solution

    |

  19. When 0.15 g of an organic compound was analyzed using Carius method fo...

    Text Solution

    |

  20. An aqueous solution of NiCl (2) was heated with excess sodium cyanide ...

    Text Solution

    |