Home
Class 11
CHEMISTRY
The density of a gas is 2.5g/L at 127^@C...

The density of a gas is 2.5g/L at `127^@C` and 1 atm. The molecular weight of the gas is 

A

`82.1`

B

`41.05`

C

`56`

D

`28`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|19 Videos
  • STATES OF MATTER

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -1|97 Videos
  • SATURATED HYDROCARBONS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos
  • STOICHIOMETRY

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|59 Videos

Similar Questions

Explore conceptually related problems

An evacuated glass vessel weight 50 g when empty and 148 g when filled with a liquid of density 0.98 g cc^(-1) and 50.5 g when filled with an ideal gas at 27^(@)C and 1 atm. Determine the molecular weight of the ideal gas.

The density of a gas is 2g/L at 1 atm and 27^@C . The density of the same gas at 2 atm and 127^@C is

A gas diffuses four times as quickly as oxygen. The molecular weight of the gas is

The weight of 350 ml of a diatomic gas is 1 gram at 0^@C and 2 atm. pressure. The weight of one atom in grams is

The density of CO_2 gas at 27^@C and 1 atm pressure is ____ (gram/lit)

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

A synthetic mixture of nitrogen and Argon has a density of 1.4 g L^(-1) at 0^@C . Calculate the average molecular weight. Find out the volume percentage of nitrogen in the mixture.

The rate of diffusion of a gas in a diffusion tube is 1/2sqrt(7) . Molecular weight of the gas ( in g mol^(-1) ) is

The density of a gas 'S' at 2 atm and 27^@C is 1.3 gm / lit. Then the gas 'S' may be

The density of a gas at 27°C and 1 atm is d. Pressure remaining constant at what temperature its density becomes 0.75 d

AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE -2
  1. One litre of a gas weights 28 at 300 K and latm pressure. If the press...

    Text Solution

    |

  2. The total pressure of a mixture of 8g of oxygen and 14g of nitrogen co...

    Text Solution

    |

  3. The density of a gas is 2.5g/L at 127^@C and 1 atm. The molecular weig...

    Text Solution

    |

  4. The molar volume of an ideal gas at one atmosphere and 273^@C is

    Text Solution

    |

  5. The density of a gas is 2g/L at 1 atm and 27^@C. The density of the sa...

    Text Solution

    |

  6. How much should the pressure be increased in order to decrease the vol...

    Text Solution

    |

  7. 16gm of oxygen and 3gm of hydrogen are present in a vessel at 0^@C and...

    Text Solution

    |

  8. If the pressure and absolute temperature of 4 litres of SO2 gas are do...

    Text Solution

    |

  9. For a given mass of gas, if pressure is reduced to half and temperatur...

    Text Solution

    |

  10. When the pressure of 2 litres of O2 gas is  doubled and its temperatur...

    Text Solution

    |

  11. If one mole of a gas A (mol.wt-40) occupies a volume of 201itres, unde...

    Text Solution

    |

  12. Four one litre flasks are seperately filled with gases O2,F2, CH4 and ...

    Text Solution

    |

  13. The weight of one litre of a gas at latm pressure and 300K is 4g. At w...

    Text Solution

    |

  14. The Molecular weight of a gas is 40. At 400K if 120 g of this gas has ...

    Text Solution

    |

  15. At 127°C and latm pressure, a mixture of a gas contains 0.3 mole of N(...

    Text Solution

    |

  16. 'X’ moles of N2 gas at S.T.P. conditions occupy a volume of 10 litres,...

    Text Solution

    |

  17. A gaseous mixture containing 0.35g of N(2) and 5600 ml of O(2) at ST...

    Text Solution

    |

  18. Balloons of 4L capacity are to be filled with Hydrogen at a pressure o...

    Text Solution

    |

  19. A steel cylinder of 8 litres capacity contain hydrogen gas at 12atm pr...

    Text Solution

    |

  20. An open vessel at 27^@C is heated until three-fourths mass of the air ...

    Text Solution

    |