Home
Class 12
CHEMISTRY
In Kjeldahl's method, ammonia from 5g of...

In Kjeldahl's method, ammonia from `5g` of food neutralizes `30cm^(3)` of `0.1N` acid. The percentage of nitrogen in the food is

A

`0.84`

B

`8.4`

C

`16.8`

D

1.68`

Text Solution

Verified by Experts

The correct Answer is:
A

Percentage of nitrogen `=(1.4xxN_(1)xxV)/(w)`
`=(1.4xx0.1xx30)/(5)=0.84%`
Promotional Banner

Topper's Solved these Questions

  • KARNATAKA CET 2009

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|59 Videos
  • KARNATAKA CET 2012

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

0.25g of an organic compound on Kjeldahl's analysis gave enough ammonia to just neutralise 10cm^(3) of 0.5M H_(2)SO_(4) . The percentage of nitrogen in the compound is

1.2g of an organic compound on Kjeldahlization liberates ammonia which consumes 30cm^(3) of 1N HCl . The percentage of nitrogen in the organic compound is

During nitrogen estimation present in an organic compound by Kjeldahl.s method, the ammonia evolved from 0.5 g of the compound in Kjeldahl.s estimation of nitrogen neutralised 10 ml of 1 M H_(2)SO_(4) . Find the percentage of nitrogen in the compound.

0.36 g of a nitrogeneous organic compound was Kejldahilised and the ammonia liberated was exactly neutralised by 20 ml of 0.3 N H_(2)SO_(4_ . Calculate the percentage of nitrogen in the compound.

KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2010-Chemistry
  1. The IUPAC name of K(2)[Ni(CN)(4)] is :

    Text Solution

    |

  2. The spin only magnetic moment of Mn^(4+) ion is nearly

    Text Solution

    |

  3. In Kjeldahl's method, ammonia from 5g of food neutralizes 30cm^(3) of ...

    Text Solution

    |

  4. Carbon can reduce ferric oxide to iron at a temperature above 983 K be...

    Text Solution

    |

  5. An oxygen containing organic compound upon oxidation forms a carboxyli...

    Text Solution

    |

  6. The compound obtained when acetaldehyde reacts with dilute aqueous sod...

    Text Solution

    |

  7. The activation energy for a reaction at the temperature T K was found...

    Text Solution

    |

  8. A dibromo derivative of an alkane reacts with sodium metal to form an ...

    Text Solution

    |

  9. The time required for 100% completion of a zero order reaction is

    Text Solution

    |

  10. 0.023g of sodium metal is reacted with 100 cm^(3) of water. The pH of ...

    Text Solution

    |

  11. Which one of the following is wrongly matched?

    Text Solution

    |

  12. Which of the following is most energetic conformation of cyclohexane?

    Text Solution

    |

  13. Which one of the following is a molecular crystal?

    Text Solution

    |

  14. A buffer solution contains 0.1 mole of sodium acetate dissolved in 100...

    Text Solution

    |

  15. Which one of the following has the most nucleophilic nitrogen ?

    Text Solution

    |

  16. Chloroacetic acid is a stronger acid than acetic acid. This can be exp...

    Text Solution

    |

  17. The correct sequence of reaction to convert p-nitrophenol into quinol ...

    Text Solution

    |

  18. CH(3)CH(2)Br overset("aq. KOH")underset(Delta)rarr A overset(KMnO(4)//...

    Text Solution

    |

  19. The letter 'D' in D-glucose signifies :

    Text Solution

    |

  20. Reaction of methyl bromide with aqueous sodium hydroxide involves

    Text Solution

    |