Home
Class 12
CHEMISTRY
All Cu (II) halides are known except the...

All Cu (II) halides are known except the iodide. The reason for is that

A

iodide is a bulky ion

B

`Cu^(2+)` oxidizes iodide to iodine

C

`Cu^(2+)` (aq) has much more negative hydration enthalpy

D

`Cu^(2+)` ion has smaller size

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • COORDINATION COMPOUNDS

    MODERN PUBLICATION|Exercise EXERCISE|971 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

Similar Questions

Explore conceptually related problems

Ammonia forms the complex ion [Cu(NH_3)_4]^(2+) with copper ions in alkaline solutions but not in acidic solution. The reason for this is

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: All birds except the ones like Koel build nests for retiring and taking rest during night (day time for nocturnal birds). Reason: Koel lays the eggs in the nest of tailor bird

K_2PtCl_6 is known but Ni compound is not known. State a reason for it.

An a.c. supply may be used directy for all these except for one. Identify the one, for which it cannot be used

All the members of actinoid series have +3 O.S. Assign reason for this.

It is known that some barieties of wheat are sown in autumn but are harvested around next mid summer. What could be the probable reason for this?

Two questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you required to choose any one of the following four responses. If both Assertion and Reason are true and Reason is a correct explanation of Assertion. If both Assertion and Reason are true and Reasons is not a correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertions and Reasons are false. Assertion:Three main types of restriction endonucleases i.e., Type I, Type II and Type III are known with slightly different mode of action. Reason:In palindromes with rotational symmetry second half of complementary strand in DNA double helix is the mirror image of base sequence in the first half of another strand.

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The maximum oxidation state exhibited by actinide ions is

    Text Solution

    |

  2. KMnO4 gets reduced to

    Text Solution

    |

  3. All Cu (II) halides are known except the iodide. The reason for is tha...

    Text Solution

    |

  4. The transition metal ion that has ‘spin-only’' magnetic moment value o...

    Text Solution

    |

  5. Write a short note on chromyl chloride test.

    Text Solution

    |

  6. The bonds present in the structure of dichromate ion are

    Text Solution

    |

  7. When H2O2 is shaken with an acidified solution of K2Cr2O7 in presence ...

    Text Solution

    |

  8. The reddish brown vapours formed when sodium chloride is heated with K...

    Text Solution

    |

  9. How would you account for the increasing oxidising power in the series...

    Text Solution

    |

  10. An orange solid A on heating gives a colourless gas B. The gas B in dr...

    Text Solution

    |

  11. In neutral or faintly alkaline medium, thiosulphate is quantitatively ...

    Text Solution

    |

  12. Which of the following ions has the same number of unpaired electrons ...

    Text Solution

    |

  13. Among the following actinoid pairs, the maximum oxidation states is sh...

    Text Solution

    |

  14. The atomic number of cerium (Ce) is 58. The correct electronic configu...

    Text Solution

    |

  15. The only radioactive element among the lanthanoids is

    Text Solution

    |

  16. Identify a ‘Chemical twin' among the following

    Text Solution

    |

  17. How many grams of potassium dichromate are required to oxidise 20.0 g ...

    Text Solution

    |

  18. Which of the following statement regarding lanthanides is false?

    Text Solution

    |

  19. How is sodium chromate converted into sodium dichromate, in the manufa...

    Text Solution

    |

  20. Identify the metal that forms colourless compounds.

    Text Solution

    |