Home
Class 12
CHEMISTRY
Explain the following : Scandium forms n...

Explain the following : Scandium forms no coloured ions, yet it is regarded as a transition metal.

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

Explain the following fact : Halogens are coloured.

Explain the following- Uses of Gun metal.

The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co Ni Cu Zn Answer the following: Write the element which is not regarded as an transition element. Give reason.

Explain the following observation : Among the divalent cations in the first series of transition elements, manganese exhibits the maximum paramagnetism .

Which of the following ions does not give coloured solution ?

Explain metallic character in transition metals.

Explain the following: Why do transition metals form alloys readily?

Explain the following observation : In general, the atomic radii of transition elements decrease with atomic number in a given series.

Explain the following statement- Dutch metal is not a metal.

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. How would you account for the irregular variation of ionisation enthal...

    Text Solution

    |

  2. Write chemical reaction for preparation of K2Cr207 from chromite ore.

    Text Solution

    |

  3. What is meant by ‘disproportionation’? Give two examples of disproport...

    Text Solution

    |

  4. Compare the chemistry of actinides with that of Lanthanides with speci...

    Text Solution

    |

  5. Compare the chemistry of actinides with that of Lanthanides with speci...

    Text Solution

    |

  6. The 4d and 5d series of transition metals have more frequent metal-met...

    Text Solution

    |

  7. What are the main consequences of lanthanoid contraction ?

    Text Solution

    |

  8. Complete the following reaction equation : MnO4^(-) + Fe^(2+) + H^(+) ...

    Text Solution

    |

  9. Complete the following reaction equation : MnO4^(-) + I^(-) + H2O rarr

    Text Solution

    |

  10. Complete the following reaction equation : S2O3^(2-)+ Cr2O7^(2-)+ H^(...

    Text Solution

    |

  11. How would you account for the following : The transition elements exhi...

    Text Solution

    |

  12. How would you account for the following : Of the d^4 species, Cr^(2+) ...

    Text Solution

    |

  13. How would you account for the following: Cobalt(II) is stable in aqueo...

    Text Solution

    |

  14. Why is equropium (II) more stable than cerium (II) (Eu = 63, Ce =58) g...

    Text Solution

    |

  15. Why Zr and Hf exhibit similar properties ?

    Text Solution

    |

  16. Explain the following : Scandium forms no coloured ions, yet it is reg...

    Text Solution

    |

  17. Explain the structure of chromate and dichromate ions.

    Text Solution

    |

  18. Why do transition metals and their compounds are found to be good cata...

    Text Solution

    |

  19. The paramagnetic character of first transition series increases upto m...

    Text Solution

    |

  20. Why do transition metals form complexes and coloured ions?

    Text Solution

    |