Home
Class 12
CHEMISTRY
A gaseous mixture contains oxygen and ni...

A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight. Therefore, the ratio of their number of molecules is

A

`1:4`

B

`1:8`

C

`7:32`

D

`3:16`

Text Solution

Verified by Experts

The correct Answer is:
C
Molar ratio of `O_2 : N_2 = 1/32 : 4/28 = 7 : 32 `
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL-III)|5 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTION|15 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTION|15 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos

  • STATES OF MATTER

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|12 Videos

Similar Questions

Explore conceptually related problems

A gaseous mixture contains H_(2) and N_(2) in the ratio of 1:4 by weight . The ratio of their molecules is :

n water, hydrogen and oxygen are present in the ratio of

The A.M and G.M of two numbers are in the ratio 3: 2, then the ratio of the numbers is

A gaseous mixture contain 50% He and 50% CH_4 by volume. What is the percent by weight of CH_4 in the mixture ?

MODERN PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. One mole of hydrogen peroxide (H2O2) has a mass same as that of

    Text Solution

    |

  2. 19.7 kg of gold was recovered from a smuggler. How many atoms of gold ...

    Text Solution

    |

  3. A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by ...

    Text Solution

    |

  4. 0.5 mol of BaCl2 is mixed with 0.2 mol of Na3PO4 . The maximum numb...

    Text Solution

    |

  5. 4.0 grams of caustic soda contain

    Text Solution

    |

  6. One litre of a gas at S.T.P. weighs 1.16 g. It can possibly be

    Text Solution

    |

  7. 12 g of magnesium (atomic mass 24) on reacting completely with acid gi...

    Text Solution

    |

  8. If 224 ml of a triatomic gas has a mass of 1 g at N.T.P., then the mas...

    Text Solution

    |

  9. In the final answer of the expression ((29.2 -20.2)(1.79 xx 10^5))/(1....

    Text Solution

    |

  10. If 20.0 g of CaCO3 is treated with 200 g of HCI, how many grams of CO...

    Text Solution

    |

  11. The thickness of Milky way Galaxy is 40 Em. It can be expressed in met...

    Text Solution

    |

  12. The mass of an Al block (in grams) whose dimensions are 2.0 inch x 3....

    Text Solution

    |

  13. The volume of SO2 produced at S.T.P. by the combustion of 50 g of sul...

    Text Solution

    |

  14. What is the number of potassium atoms required to prepare 1 equivalent...

    Text Solution

    |

  15. The total number of valence electrons in 4.2 g of N(3)^(-) ions is ...

    Text Solution

    |

  16. If 22.4 ml of a triatomic gas has a mass of 0.048 g at 273K and 1 atm...

    Text Solution

    |

  17. Two elements A (at. mass 16) and B (at. mass 14) combine to form compo...

    Text Solution

    |

  18. One litre of an unknown gas weighs 1.25 g at NTP. The possible formula...

    Text Solution

    |

  19. A metal M forms an alum which contains the element potassium and is is...

    Text Solution

    |

  20. Iron has density of 7.86 gcm^(-3) and an atomic mass of 55.85 u. The...

    Text Solution

    |