Home
Class 11
CHEMISTRY
A sample of phosphorus that weighs 12.4g...

A sample of phosphorus that weighs `12.4g` exerts a pressure 8 atm in a `0.821` litre closed vesel at `527^@ C`. The molecular formula of the phosphorus vapour is :

A

`P_(2)`

B

`P_(4)`

C

`P_(6)`

D

`P_(8)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|30 Videos
  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.121 To Q.150)|30 Videos
  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|30 Videos
  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos
  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 3 - Match The Column|2 Videos

Similar Questions

Explore conceptually related problems

The density of phosphorus vapour at 310^(@)C and 775 torr is 2.64 g dm^(-3) . What is the molecular formula of phosphorus ?

A sample of gas has a volume of 0.2 litre at 1 atm pressure and 0^(@) C. At the same pressure but at 273^(@) C its volume will become

34.05 mL of phosphorus vapour weigh 0.0625 g at 546^(@)C and 1.0 bar pressure. What is the molecular mass of phosphorus? How many atoms are there in one molecule of phosphorus?

A hydrocarbon contains, C = 82.66%, H = 17.34%. The density of the vapour is 0.2308 g/litre at 30^(@)C and 75 torr. The molecular formula of the compound is

When 3.2g of sulphur is vapourised at 450^(@)C and 723 mm pressure , the vapours occupy a volume of 780ml. What is the molecular formula of sulphur vapours under these conditions? Calculate the vapour density also.

If the osmotic pressure of 5g per litre solution of compound at 27^(@)C is 0.025 atm, calculate the molecular mass of the compound.

33.6 cc of phosphorous vapour weighs 0.0625 g at 546^(@)C and 76 cmHg pressure. What is the molecular weight of phosphorous? How many atoms are there in one molecule of phosphorous vapour?

NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.61 To Q.90)
  1. 40 miligram diatomic volatile substance (X2) is converted to vapour th...

    Text Solution

    |

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

    Text Solution

    |

  3. A sample of phosphorus that weighs 12.4g exerts a pressure 8 atm in a ...

    Text Solution

    |

  4. Manganese forms non-stoichiometric oxides having the gereral formula f...

    Text Solution

    |

  5. 1, 44 gran if tutanium (Ti) reacted with excess of O(2) and produce x ...

    Text Solution

    |

  6. Which statement is false for the balanced equation givem below ? ...

    Text Solution

    |

  7. Which of the following setups is correct to calculate the mass (in g) ...

    Text Solution

    |

  8. 2.0 g of a sample contains mixture of SiO(2) and Fe(2)O(3). On ver...

    Text Solution

    |

  9. What volume of air at 1 atm and 273K containing 21% of oxygen by volum...

    Text Solution

    |

  10. For the reaction, 2Fe(NO3)+3Na2COrarrFe2(CO3)3+6NaNO3 initially 2.5 mo...

    Text Solution

    |

  11. How many of P4can be producedby reaction of 0.10 moles Ca5(PO4)3F,0.36...

    Text Solution

    |

  12. Some older emergency oxygen masks contains potassium superoxide KO2 wh...

    Text Solution

    |

  13. The mass of N(2)F(4) produced by the reaction of 2.0 g of NH(3) ...

    Text Solution

    |

  14. Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% p...

    Text Solution

    |

  15. Phospheric acid (H(3)PO(4)) perpared in two step process . ...

    Text Solution

    |

  16. 9 moles of "D" and 14 moles of E are allowed to react in a closed ves...

    Text Solution

    |

  17. The chief are of Zn is the sulphide , ZnS. The are is concentrated by ...

    Text Solution

    |

  18. 0.8 moles of a mixture of CO and CO2 requieds exactly 40 gram of NaOH ...

    Text Solution

    |

  19. Silver oxide (Ag2O) decomposes at temperature 300^@C yielding matellic...

    Text Solution

    |

  20. 342 g of 20% by mass of ba(OH)2 solution (sq.gr.0.57) is reacted with ...

    Text Solution

    |