Home
Class 11
CHEMISTRY
At STP one litre of a gas weight 1.25 gr...

At STP one litre of a gas weight `1.25` grams. The gas contains `85.71%` of carbon and `14.29%` of hydrogen. The formula of the compound is

A

`CH_(4)`

B

`C_(2)H_(6)`

C

`C_(3)H_(8)`

D

`C_(2)H_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`1L rarr 1.25 gm`
`22.4L` gives Molecular Wt.
`M.F = E.F xx (MW)/(EF Wt.)`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

An oxide of nitrogen contains 36.8% by weight of nitrogen. The formula of the compound is

If 75.2% of compound is carbon and the rest of the weight is hydrogen, the formula of the compound is

One litre of a gas at STP weight 1.16 g it can possible be

A compound contains 34.8% Oxygen, 52.2% carbon and 13.0% Hydrogen. What is the empirical formula of the compound ?

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

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. The equivalent weight of divalent metal is 31.82. The weight of a sing...

    Text Solution

    |

  2. If N(A) is Avogadro's number, then the number of oxygen atom in one g-...

    Text Solution

    |

  3. At STP one litre of a gas weight 1.25 grams. The gas contains 85.71% o...

    Text Solution

    |

  4. A certain compound contains magnesium, carbona dn Nitrogen in the mass...

    Text Solution

    |

  5. An organic compound having molecular mass 60 is found to contain C = 2...

    Text Solution

    |

  6. A compound of phosphorous and sulphur contains 1.24gm of phosphorous ...

    Text Solution

    |

  7. A compound has 40% of carbon by weight. If molecular weight of the com...

    Text Solution

    |

  8. A compound has 20% of nitrogen by weight. If one molecule of the compo...

    Text Solution

    |

  9. 3.0gms of an organic compound on combustion give 8.8 gm of CO(2) and 5...

    Text Solution

    |

  10. The oxide of a metal contains 40% of oxygen. The valency of metal is 2...

    Text Solution

    |

  11. A solution containing 0.2 mole of ferric chloride is allowed to react ...

    Text Solution

    |

  12. CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O(l), DeltaH =- 890 kJ what i...

    Text Solution

    |

  13. What weight of hydrogen at STP couble be contained in a vessel that ho...

    Text Solution

    |

  14. 100 mL of x M KMnO(4) is requried oxidise 200 mL of 0.2 M ferric o...

    Text Solution

    |

  15. 19g og a mixture containing NaHCO(3) and Na(2)CO(3) on complete heatin...

    Text Solution

    |

  16. The number of molecules of CO(2) liberated by the complete combustion ...

    Text Solution

    |

  17. An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 m...

    Text Solution

    |

  18. The normality of orthophosphoric acid having purity of 70% by weight...

    Text Solution

    |

  19. Mole fraction of C(3)H(5)(OH)(3) in a solution of 36g of water and 46g...

    Text Solution

    |

  20. The volume of water to be added to 400 ml of N//8 HCI to make it exact...

    Text Solution

    |