Home
Class 12
CHEMISTRY
Transition metals are very hard and have...

Transition metals are very hard and have high melting and boiling points. Give reason.

Text Solution

Verified by Experts

Involvement of greater number of electrons from (n - 1)d in addition to the ns electrons in the interatomic metallic bonding makes the metal hard and have high m.p and b.p.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    SUBHASH PUBLICATION|Exercise Questions|79 Videos

  • THE 'P'-BLOCK ELEMENTS

    SUBHASH PUBLICATION|Exercise EXERCISE|86 Videos

Similar Questions

Explore conceptually related problems

All alkali metals have ______melting and boiling points

Oxygen and sulphur have difference in their melting point and boiling points. Give reason.

Give reason : (i) Most of the transition metals have high melting point and boiling point (ii) 2^(nd) ionization enthalpy of Cu is exceptionally high. (iii) atomic size of 4d- and 5d-series elements are almost the same.

Why do ionic compounds have high melting points ? State reason.

Water has high boiling point.

Which of the following has highest melting and boiling points?

Give reasons for the following : (i) Metals are good conductors of electricity whereas non-metals are not. (ii) Ionic compounds have usually high melting and boiling points.

Give reasons for the following: a. Ionic compounds in general have high melting and boiling points. b. Highly reactive metals cannot be obained from their oxides by heating them with carbon. c. Copper vessel get a green coat when left exposed to air in the rainy season.

SUBHASH PUBLICATION-THE 'd' - AND 'f' - BLOCK ELEMENTS -Question and Answer
  1. Which element of 3d series exhibits maximum oxidation state?

    Text Solution

    |

  2. Between Cu((aq))^(2+) and Cu((aq))^(+) which is more stable?

    Text Solution

    |

  3. Transition metals are very hard and have high melting and boiling poin...

    Text Solution

    |

  4. d' block elements shows variable oxidation states Why.

    Text Solution

    |

  5. Name a transition element which does not exhibit variable oxidation st...

    Text Solution

    |

  6. Sc^(3+) ions are colourless where as V^(3+) ions are coloured. Give re...

    Text Solution

    |

  7. Why Sc^(3+) salts are colourless whereas Cr^(3+) salts are coloured.

    Text Solution

    |

  8. Why Ti^(4+) is colourless where as Cr^(3+) salts are coloured.

    Text Solution

    |

  9. Name the electrode system which have positive E^(0) value in 3d series...

    Text Solution

    |

  10. Give any two reasons for the formation of large number of complex comp...

    Text Solution

    |

  11. Cu^(2+) ions are coloured but Zn^(2+) ions are colourless. Give reason...

    Text Solution

    |

  12. Transition elements shows catalytic property. Give two reason.

    Text Solution

    |

  13. What are interstitial compounds?

    Text Solution

    |

  14. How is potassium dichromate prepared from chromite are ?

    Text Solution

    |

  15. Show that chromates and dichromates are interconvertible.

    Text Solution

    |

  16. Give the structure of chromate ion?

    Text Solution

    |

  17. Give two example to show that potassium dichromate is an oxidising age...

    Text Solution

    |

  18. How is potassium permanganate manufactured from MnO(2) (pyrolusite)?

    Text Solution

    |

  19. Name a compound which is isostructural with KMnO(4).

    Text Solution

    |

  20. What happens when potassium permanganate crystals are heated?

    Text Solution

    |