Home
Class 9
CHEMISTRY
A compound XH is formed by the combinati...

A compound XH is formed by the combination of an element X with hydrogen. Find the valencv of the element. State the formula of the compound formed by the combination of (a) X with nitrogen (b) X with oxygen.

Text Solution

Verified by Experts

In the compound XH, the valency of element X is 1.
(a) The valanecy of nitrogen is 3.
The valency of element X is 1.
`therefore "The formula of the compound"=NX_(3)`
(b) The valency of oxygen is 2.
The valency of element X is 1.
`therefore "The formula of the compound"=OX_(2)`
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise LONG ANSWER|16 Videos

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise HOTS|5 Videos

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise VERY SHORT ANSWER QUESTIONS|39 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise LAQs|10 Videos

Similar Questions

Explore conceptually related problems

The valency of an element X is 1 and that of oxygen is 2. What will be the formula of the compound formed by the combination of element X with oxygen ?

The formula of the compound formed by the pair of elements Al & S is:

The combination of an element or compound with oxygen is called

Two atoms X and Y have 5 and 7 valence electrons. The formula of the compound formed by their combination is

An element X of valency 3 conbines with another element Y of valency 2. What will be the formula of the compound formed ?

An element E combines with oxygen to form an oxide E_(2)O which is a good conductor of electricity. Give the following information: (i) How many electrons will be present in the valence shell of the element E ? (ii) Write the formula of the compound formed when the element E combines with chlorine.

An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?

DINESH PUBLICATION-ATOMS AND MOLECULES-SHORT ANSWER
  1. (a) Define atomic mass unit. (b) Distinguish between molecular mass ...

    Text Solution

    |

  2. What is meant by the term chemical formula ? Write the chemical formul...

    Text Solution

    |

  3. If the law of constant compositon is true, what weights of calcium car...

    Text Solution

    |

  4. Calculate formula unit mass of Al(2)(SO(4))(3)

    Text Solution

    |

  5. (a) State six postulates of Dalton's atomic theory. (b) A 0.24g samp...

    Text Solution

    |

  6. How many grams of sodium wil have the same number of atoms as 6 grams ...

    Text Solution

    |

  7. Calculate the mass of 1.2044 xx 10^(23) molecules of O(2) ("Atomic mas...

    Text Solution

    |

  8. (a) Define polyatomic ions. Write an example. (b) Calculate the form...

    Text Solution

    |

  9. Write the molecular formulae of all the compounds that can be formed b...

    Text Solution

    |

  10. What are chemical reactions according to the Law of conservation of ma...

    Text Solution

    |

  11. Write the chemical formulae of the following: (a)Magnesium chloride ...

    Text Solution

    |

  12. A compound XH is formed by the combination of an element X with hydrog...

    Text Solution

    |

  13. Calculate the number of molecules of SO(2) present in 44g of it.

    Text Solution

    |

  14. Write the formula and names of the compounds formed by the followin io...

    Text Solution

    |

  15. Calculate formula unit mass of Na(2)CO(3).10H(2)O

    Text Solution

    |

  16. Calculate the number of molecular of sulphur (S(8)) present in 128g of...

    Text Solution

    |

  17. Calculate the numbe of oxygen atoms present in 120g of nitric acid (HN...

    Text Solution

    |

  18. In a chemical reaction, 10.6g of sodium carbonate reacted with 12g of ...

    Text Solution

    |

  19. Write the chemical names of the following compounds: (a)K(2)SO(4) (b...

    Text Solution

    |

  20. How did Berzelius assign symbols to the elements?

    Text Solution

    |