Home
Class 12
CHEMISTRY
The vapour densities of two gases are in...

The vapour densities of two gases are in the ratio of `1 : 3 ` . Their molecular masses are in the ratio of : -

A

` 1 : 3 `

B

`1 : 2`

C

`2 : 3`

D

`3 : 1`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    ALLEN|Exercise EXERCISE -05 [B]|22 Videos
  • SURFACE CHEMISTRY

    ALLEN|Exercise ASSERTION & REASO|21 Videos

Similar Questions

Explore conceptually related problems

The densities of two gases are in the ratio of 1 : 16 . The ratio of their rates of diffusion is

The densities of two planets are in the ratio of 2 : 3 and their radii are in the ratio of 1 : 2. What is the ratio of acceleration due to gravity at their surfaces ?

Densities of two gases are in the ratio 1: 2 and their temperatures are in the ratio 2:1 , then the ratio of their respective pressure is

If the pressures exerted by two ideal gases are in the ratio 3 : 2 and their densities are in the ratio 2 : 1 , then the ratio of their r.m.s. velocities is

The densities of two monoatomic gases are in the ratio of 16:9. The velocities of sound in gases having the same pressure will be in the ratio of

ALLEN-Some Basic Concepts of Chemistry (Mole concept)-All Questions
  1. One litre of a gas at STP weight 1.16 g it can possible be

    Text Solution

    |

  2. When 40 c c of slightly moist hydrogen chloride gas is mixed with 20 ...

    Text Solution

    |

  3. The vapour densities of two gases are in the ratio of 1 : 3 . Their ...

    Text Solution

    |

  4. Calculate the number of atoms present in 7.1 g of chlorine ?

    Text Solution

    |

  5. For reaction A+2BtoC. The amount of C formed by starting the reaction ...

    Text Solution

    |

  6. Two elemets X( atomic weight =75) and Y( atomic weight =16) combine to...

    Text Solution

    |

  7. At 25^(@) C for complete combustion of 5 mol propane (C(3)H(8)) . The...

    Text Solution

    |

  8. 1.5 mol of O(2) combines with Mg to form oxide MgO. The mass of Mg (at...

    Text Solution

    |

  9. At STP , for complete combustion of 3 g C(2)H(6) the required volume o...

    Text Solution

    |

  10. 0.6 g of carbon was burnt in the air to form CO(2). The number of mole...

    Text Solution

    |

  11. 5 L of gas at STP weight 6.25 g . What is the gram molecular weight ?

    Text Solution

    |

  12. Two elemets X( atomic weight =75) and Y( atomic weight =16) combine to...

    Text Solution

    |

  13. The density of air is 0.001293g//ml at S.T.P. Its vapour density will ...

    Text Solution

    |

  14. One mole of CO(2) contains:

    Text Solution

    |

  15. Which one of the following parts of gases contains the same number of ...

    Text Solution

    |

  16. The number of oxygen atoms in 4.4 g of CO(2) is approximately

    Text Solution

    |

  17. 1 mol of CH(4) contains

    Text Solution

    |

  18. Calculate the number of atoms present in one drop of water having mass...

    Text Solution

    |

  19. In the reaction , 4A+2B+3CtoA(4)B(2)C(3) what will be the number of ...

    Text Solution

    |

  20. In an organic compound of molar mass 108 gm mol^-1 C, H and N atoms ar...

    Text Solution

    |