Home
Class 9
CHEMISTRY
An element B show valencies of 4 and 6. ...

An element B show valencies of 4 and 6. Write the formulae of its two oxides.

Text Solution

Verified by Experts

The correct Answer is:
`BO_(2)` and `BO_(3)`
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|205 Videos

  • IS MATTER AROUND US PURE

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK PAGE 24|1 Videos

Similar Questions

Explore conceptually related problems

An element X shows two valencies of 3 and 5. Work out the formulae of two oxides of this element.

Write the formulae of sodium oxide

The valency of an element A is 4. Write the formula of its oxide.

(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions). (b) An element Y has a valency of 4. Write the formula for its : (i) Chloride , (ii) oxide , (iii) sulphate, (iv) carbonate , (v) nitrate

An element X shows a variable valency of 3 and 5. What are the formulae of the oxide formed by it?

An element has valency 3. Write the formula of its oxide.

(a) An element X exhibits variable valencies 3 and 5. Write the formulae of the chlorides of the element. (b) What is the ratio by mass of the elements present in the chemical formula of magnesium oxide

An element E has a valency of 4. (i) What will be the formula of its chloride ? (ii) What will be the formula of its sulphide ?

An element E is trivalent. Write the formula of its (i) chloride (ii) oxide.

LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. If the valency of carbon is 4 and that of sulphur is 2, work out the...

    Text Solution

    |

  2. An element X has a valency of 4 whereas another element Y has a valen...

    Text Solution

    |

  3. An element B show valencies of 4 and 6. Write the formulae of its two...

    Text Solution

    |

  4. An element X of valency 3 conbines with another element Y of valenc...

    Text Solution

    |

  5. Work out the formula for magnesium hydrogencarbonate.

    Text Solution

    |

  6. An element X has a valency of 2. Write the simplest formula for : ...

    Text Solution

    |

  7. Work out the formulae for the following compounds : (a) Sodium oxide...

    Text Solution

    |

  8. Calculate the formula masses of following compounds : (i) Sodi...

    Text Solution

    |

  9. Name the following compounds. Also write the symbols/formulae of the ...

    Text Solution

    |

  10. Write the cations and anions present (if any) in the following compoun...

    Text Solution

    |

  11. Give the formulae of the compounds formed from the following sets of e...

    Text Solution

    |

  12. What are ionic and molecular compounds? Give exmples.

    Text Solution

    |

  13. (a) What is an ion ? How is an ion formed ? Explain with the help of t...

    Text Solution

    |

  14. (a) What is the difference between a cation and an anion? Explain ...

    Text Solution

    |

  15. Explain the formation of (i) sodium ion, and (ii) chloride ion, from ...

    Text Solution

    |

  16. (a) Write the symbols/formulae of two simple ions and two compound io...

    Text Solution

    |

  17. (a) Define 'formula unit' of an ionic compound. What is the formul...

    Text Solution

    |

  18. The atomic number of an element X is 13. What will be the number of el...

    Text Solution

    |

  19. Which of the following represents a correct chemical formula ?

    Text Solution

    |

  20. If the number of electrons in an ion Z^(3-) is 10, the atomic number...

    Text Solution

    |