Home
Class 12
CHEMISTRY
At STP, the density of a gas (molecular ...

At STP, the density of a gas (molecular weight 45) in `g//L` is

A

2

B

22.4

C

11.2

D

1000

Text Solution

Verified by Experts

The correct Answer is:
a

Density of gas = Mass/Volume =`45/22.4 =2g/L`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The density of a gas at STP is 2g/I. Its molecular weight is

The density of a gas at STP is 1.5 g/L. Its molecular weight is

At standard pressure and temperature conditions the density of a gas in g.lit^(-1) , whose molecular weight is 45

At 400 K, the root mean square (rms) speed of a gas X (molecular weight = 40) is cgual to the most probable speed of gas Y at 60K. The molecular weight of the gas Y is

The molecular weight of a gas that diffuses twice as rapidly as a gas with molecular weight 64, is

The density of a gas is 2, relative to nitrogen, under the same conditions. The molecular weight of the gas is

The rate of diffusion of methane at given temperature is twice that of gas 'X'. The Molecular weight of 'X' is

The rms velocity of a gas at a given temperature is 300 m/s .What will be the rms velocity of a gas having twice the molecular weight and half the temperature in J

(A): Gas with lower molecular weight will effuse or diffuse faster than the gas with higher molecular weight. (R) : Kinetic energy of any gas is independent of temperature.

SIA PUBLICATION-STATES OF MATTER-M.C.Q.
  1. What is the numerical value of the gas constant R- in J mol^(-1) K^(-1...

    Text Solution

    |

  2. A mixture contains 16 g of oxygen, 28 g of nitrogen and 8 g of CH(4). ...

    Text Solution

    |

  3. STP

    Text Solution

    |

  4. The root mean square velocity of a gas is doubled when the temperature...

    Text Solution

    |

  5. At STP, the density of a gas (molecular weight 45) in g//L is

    Text Solution

    |

  6. For an ideal gas. a plot of PV//RT versus T will look like

    Text Solution

    |

  7. Which of the following is a representation of Charle’s law ?

    Text Solution

    |

  8. Equal masses of methane and oxygen are introduced into a vessel at 27^...

    Text Solution

    |

  9. A given mass of a gas obeys Boyle’s law at certain temperature. Which ...

    Text Solution

    |

  10. The mole percentage of oxygen in a mixture of 7.0 g of nitrogen and 8....

    Text Solution

    |

  11. A flask contains 3g H(2) and 24g O(2). The partial pressure of hydroge...

    Text Solution

    |

  12. The molecular weight of a gas that diffuses twice as rapidly as a gas ...

    Text Solution

    |

  13. At 27 ^@C, the ratio of root mean square velocities of ozone to oxygen...

    Text Solution

    |

  14. A sample of gas has a volume of 0.2 L, measured at 1 atm pressure and ...

    Text Solution

    |

  15. The rate of diffusion of a gas in a diffusion tube is 1/2sqrt(7). Mole...

    Text Solution

    |

  16. A gaseous mixture contains 56g of N(2), 44g of CO(2) and 16g of CH(4)....

    Text Solution

    |

  17. The rms velocity of an ideal gas at 27^@C is 0.3 m//s. Its rms velocit...

    Text Solution

    |

  18. The rate of diffusion of He is........... of the rate of diffusion of ...

    Text Solution

    |

  19. If the pressure and the absolute temperature of a given mass of gas ar...

    Text Solution

    |

  20. The factor by which the kinetic energy of 8g of H, at 27^@C is greater...

    Text Solution

    |