Home
Class 12
CHEMISTRY
An organic compound on analysis gave C=3...

An organic compound on analysis gave C=39.9 % ,H= 6.7 % and O =53.4 % .The empricial formula of the compound is

A

`CHO_2`

B

`CH_2O`

C

`C_2H_2O_2`

D

CHO

Text Solution

Verified by Experts

The correct Answer is:
B

`C=(39.9)/(12)=3.35,H=(6.7)/(1)=6.7,`
O=(53.4)/(16)=3.34`
`therefore E.F = CH_(2)O`
Promotional Banner

Topper's Solved these Questions

  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise SELECTED STRAIGHT MCQ|15 Videos
  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise LINKED COMPREHENSION MCQ.|6 Videos
  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise Assorted .Q|21 Videos
  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-42|1 Videos
  • REDOX REACTIONS

    DINESH PUBLICATION|Exercise Ultimate Preparation|9 Videos

Similar Questions

Explore conceptually related problems

An organic compound contains C=40%,H=6.67% and O=53.33% .The empirical formula of compound would be

An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C=38.71%,H, 9.67% and O=51.62% . The empirical formula of the compound would be:

An inorganic compound contains Ca = 40%, C = 12% and O = 48%. The empirical formula of this compound is

An organic compound on analysis gave C=5.45% , H=9.1% by mass. Its empirical formula is:

An organic compound on analysis gave the following results : C=54.5% ,O= 36.4 % H=9.1 % . The empirical formula of the compound is ____.

DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Revision Q.F.Competitive exams
  1. In a compound C, H, N atoms are present in 9:1:3.5 by weight. Molecula...

    Text Solution

    |

  2. Empirical formula of a compound is CH(2)O and its molecular mass is 9...

    Text Solution

    |

  3. An organic compound on analysis gave C=39.9 % ,H= 6.7 % and O =53.4 % ...

    Text Solution

    |

  4. Which of the following statements is wrong ?

    Text Solution

    |

  5. If we want to study the relative arrangement of atoms in a molecule, w...

    Text Solution

    |

  6. In Victor Meyers method, 0.2 g of an organic substance displaced 56 mL...

    Text Solution

    |

  7. 116 mg of a compound on vaporisation in a victor Meyer's apparatus dis...

    Text Solution

    |

  8. The compound formed in the positive test for neitrogen with Lassaigne ...

    Text Solution

    |

  9. The ammonia evolved from the treatment of 0.30 g of an organic compoun...

    Text Solution

    |

  10. Sodium nitoprusside when added to an alkaline solution of sulphide ion...

    Text Solution

    |

  11. How will you separate a solution (miscible ) of benzene + CHCl(3) ?

    Text Solution

    |

  12. The best method for the separation of naphthalene and benzoic acid fro...

    Text Solution

    |

  13. How much of sulphur is present in an organic compound ,if 0.53 g of th...

    Text Solution

    |

  14. The best method for the separation of naphthalene and benzoic acid fro...

    Text Solution

    |

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

    Text Solution

    |

  16. An organic compound weighing 0.31 g gave 0.444 g of magnesium pyrophos...

    Text Solution

    |

  17. Fractional distillation is a process by which the separation of differ...

    Text Solution

    |

  18. 0.1 mol of a carbonhydrate with empirical formula CH(2)O contains 1 g ...

    Text Solution

    |

  19. An organic compound contains carbon, hydrogen and oxygen. Its chemical...

    Text Solution

    |

  20. In Lassaigne's test, a blood red colouration with Fe^(3+) ions indicat...

    Text Solution

    |