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 dipositive ion has a noble gas core.

Text Solution

Verified by Experts

`Be,BeO` dissolves in alkali to form beryllates.
Promotional Banner

Topper's Solved these Questions

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-2 Multiple correct answer|2 Videos

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-2 Single correct answer|3 Videos

  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise Exercise very short|70 Videos

  • ALKYNES

    CENGAGE CHEMISTRY|Exercise Exercises (Archives - Analytical and Desriptive Type)|4 Videos

  • ATOMIC STRUCTURE

    CENGAGE CHEMISTRY|Exercise Concept Applicationexercise(4.3)|19 Videos

Similar Questions

Explore conceptually related problems

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

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

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.

When metal ‘M’ is treated with NaOH, a white gelatinous precipitate ‘X’ is obtained, which is soluble in excess of NaOH. Compound ‘X’ when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal ‘M’ is

CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. Compare alkaline earth metals with alkali metals w.r.t (a) atomic and ...

    Text Solution

    |

  2. Arrange sulphates of group 2 in decreasing order of solubility of wate...

    Text Solution

    |

  3. Arrange carbonates fo group 2 in increasing order of thermal stability...

    Text Solution

    |

  4. Arrange hydroxides of group 2 elements in order of increasing basicity...

    Text Solution

    |

  5. Arrange Be,Mg,Ca,Sr and Ba in increasing order of reactivity.

    Text Solution

    |

  6. What kind of metals can form superoxides?

    Text Solution

    |

  7. Name the alkali metal which can combine directly with As,P,S and halog...

    Text Solution

    |

  8. Which among Na(2)O(2),Li(2)O,K(3)N and Li(3)N is not known?

    Text Solution

    |

  9. Which among Na,K,Pb and Li has the lowest melting point?

    Text Solution

    |

  10. Name an element which is invariably bivalent and whose oxide is solubl...

    Text Solution

    |

  11. Mention the main constituents of Portland cement. What is the role of ...

    Text Solution

    |

  12. Arrange the following in order of the increasing covalent character: ...

    Text Solution

    |

  13. Which alkali metal and alkaline earth metal are radioactive? Give thei...

    Text Solution

    |

  14. Which alkali metal forms covalent compound?

    Text Solution

    |

  15. Give one important ore of each of sodium and megnesium.

    Text Solution

    |

  16. Give chemical formula of dolomite and carnallite.

    Text Solution

    |

  17. Why the element of second period shows a number of difference in prope...

    Text Solution

    |

  18. Name one reagent or one operation to distinguish between: a. Be(OH)(...

    Text Solution

    |

  19. Why sodium cannot be prepared by electrolysis of its aqueous solution?

    Text Solution

    |

  20. What is dead burnt plaster?

    Text Solution

    |