Home
Class 11
CHEMISTRY
Name an element which is invariably biva...

Name an element which is invariably bivalent and whose oxide is soluble in excess of `NaOH` and its di-positive ion has a noble gas core.

Text Solution

Verified by Experts

Beryllium BeO dissolves in NaOH to form sodium beryllate.
`BeO + 2NaOH to Na_2BeO_2 + H_2O`.
Promotional Banner

Topper's Solved these Questions

  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise COMPETITION FILE ( MULTIPLE CHOICE QUESTION (A))|28 Videos

  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise COMPETITION FILE ( MULTIPLE CHOICE QUESTION (B))|87 Videos

  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise Revision Exercises (Objective/Very Short answer questions( Long Answer Questions ) )|10 Videos

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise COMPETITION FILE (Objective Questions) (C. MULTIPLE CHOICE QUESTIONS)|9 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (INTEGER TYPE AND NUMERICAL VALUE TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

Name an element which is invariably bivalent and whose oxide is soluble in excess of NaOH and its dipositive ion has a noble gas core.

The hydroxide of which metal ion(s) which is/are soluble in excess of NaOH solution

An element M forms insoluble hydroxide, which is soluble in both excess of NaOH and excess of NH_(3) solution, element M is:

An element which never has a positive oxidation number in any of its compounds

Name an element from group 2 which forms an amphoteric oxide and a water soluble sulphate.

MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -HIGHER ORDER THINKING SKILLS
  1. Name an element which is invariably bivalent and whose oxide is solubl...

    Text Solution

    |

  2. BeCl2 gives an acidic solution when dissolved in water. Why?

    Text Solution

    |

  3. Alkali metal ions are colourless as well as diamagnetic. Explain

    Text Solution

    |

  4. Lil3 is less stable than CsI3. Why?

    Text Solution

    |

  5. Describe the difference in structure between CaH2 and BeH2

    Text Solution

    |

  6. Why it LiF almost insoluble in water while LiCl is soluble not only in...

    Text Solution

    |

  7. The alkali metal having low melting point is

    Text Solution

    |

  8. LiH, LiF and Li(3)N show exceptional thermal stabilites. Comment.

    Text Solution

    |

  9. The combustion of Li, Na, K in excess of air gives major oxides

    Text Solution

    |

  10. Which alkali metal carbonate is thermally unstable and why?

    Text Solution

    |

  11. Which out of the following and why can be used to store an alkali meta...

    Text Solution

    |

  12. Mg^(2+) ion more highly hydrated than Na^(+) ion.

    Text Solution

    |

  13. Explain the following: (a) Be(OH)2 dissolves in sodium hydroxide bu...

    Text Solution

    |

  14. MgN(2) when reacted with water gives NH(3) and HCl. However, MgCl(2) d...

    Text Solution

    |

  15. LiH is more stable than NaH. Explain.

    Text Solution

    |

  16. Sodium fire in the laboratory should not be extinguished by using wate...

    Text Solution

    |

  17. In the reaction of sodium hydride and water:

    Text Solution

    |

  18. The crystalline salts of alkaline earth metals contain more water of c...

    Text Solution

    |