Home
Class 12
CHEMISTRY
An aqueous pink solution of cobalt (II) ...

An aqueous pink solution of cobalt (II) chloride changes to deep blue on addition of excess of `HCl`. This is because ....... .

A

`[Co(H_(2)O)_(6)]^(2+)` is transformed into `[CoCl_(6)]^(4-)`

B

`[Co(H_(2)O)_(6)]^(2+)` is transformed into `[CoCl_(4)]^(2-)`

C

tetrahedral complexes have smaller crystal field splitting than octahedral complexes

D

tetrahedral complexes have larger crystal field splitting than octahedral complex.

Text Solution

Verified by Experts

The correct Answer is:
B, C
Promotional Banner

Topper's Solved these Questions

  • CORDINATION COMPOUNDS

    PRADEEP|Exercise Short Answer Questions|64 Videos

  • CORDINATION COMPOUNDS

    PRADEEP|Exercise Matching Type Question|5 Videos

  • CORDINATION COMPOUNDS

    PRADEEP|Exercise NCERT Exercises|32 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    PRADEEP|Exercise IMPORTANT QUESTION FOR BOARD EXAMINATION|30 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise IMPORTANT QUESTIONS|30 Videos

Similar Questions

Explore conceptually related problems

Colour of cobalt chloride solution is:

Colour of cobalt chloride solution is:

An aqueous solution of inorganic compounds (X) gives following reactions. (i) With an aqueous solution of barium chloride a precipitate insoluble in dilute HCl is obtained. (ii) Addition of excess of Kl gives a brown precipitate which turns white on additon of excess of hyposolution. (iii) With an aqueous solution of K_(4)[Fe(CN)_(6) , a brown coloured precipitate is obtained. Identity (X) and gives equation for the reaction for (i),(ii) and (iii) observations.

When concentrated HCI is added to an aqueous solution of CoCl_(2) . Its colour changes from reddish pink to deep blue . Which complex ion gives blue colour in this reaction ?

PRADEEP-CORDINATION COMPOUNDS-MCQ
  1. Atomic number of Mn, Fe, Co and Ni are 25, 26, 27 and 28 respectively....

    Text Solution

    |

  2. Which of the following options are correct for [Fe(CN)(6)]^(3-) comple...

    Text Solution

    |

  3. An aqueous pink solution of cobalt (II) chloride changes to deep blue ...

    Text Solution

    |

  4. Which of the following complexes are homoleptic ?

    Text Solution

    |

  5. Which of the following complexes are heteroleptic ?

    Text Solution

    |

  6. Identify the optically active compounds from the following :

    Text Solution

    |

  7. Identify the correct statements for the behaviour of ethane-1, 2-diami...

    Text Solution

    |

  8. Which of the following complexes show linkage isomerism ?

    Text Solution

    |

  9. 2 : 4 Dinitrophenyl hydrazine is an example for

    Text Solution

    |

  10. The correct structure of ethylenediamineteraacetic acid (EDTA) is .

    Text Solution

    |

  11. In Tollen's reagent, the oxidation number, coordination number and eff...

    Text Solution

    |

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

    Text Solution

    |

  13. The ligand N(CH(2)CH(2)NH(2))(3) is

    Text Solution

    |

  14. Oxidation number of Cr in the following complex is

    Text Solution

    |

  15. Which among the following is a homoleptic complex ?

    Text Solution

    |

  16. The formula of dichlorobis (urea) copper (II) is

    Text Solution

    |

  17. IUPAC name of sodium cobaltinitrite is

    Text Solution

    |

  18. According to IUPAC nomenclature sodium nitroprusside is named as

    Text Solution

    |

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

    Text Solution

    |

  20. Which one of the following has largest number of isomers?

    Text Solution

    |