Home
Class 12
CHEMISTRY
An alkaloid contains 17.28% of nitrogen ...

An alkaloid contains 17.28% of nitrogen and it's molecular mass is 162. The number of nitrogen atoms present in one molecular of alkaloid is

A

five

B

four

C

three

D

two

Text Solution

Verified by Experts

The correct Answer is:
D

Suppose one molecule of the alkaloid contains x
N-atoms. Then `%" of N"=(14x)/(162)xx100=17.28" (Given)"`
`therefore x=2.`
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (II. Multiple Choice Question )|4 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (III. Multiple Choice Question )|6 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise ANALYTICAL QUESTIONS AND PROBLEMS WITH ANSWERS/SOLUTIONS (PROBLEMS)|20 Videos
  • SOLUTIONS

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|31 Videos
  • SURFACE CHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)|28 Videos

Similar Questions

Explore conceptually related problems

Total number of nitrogen atoms present in urotropine is :

The number of atoms present in 1 mole of nitrogen molecule are

The haemoglobin contains 0:33% iron by weight. Its molecular mass is 67200. The number of iron atoms in one molecule of haemoglobin are (At. mass of Fe-56)

Calculate the number of nitrogen molecules present in 2.8 g of nitrogen gas.

PRADEEP-SOME BASIC CONCEPTS OF CHEMISTRY-Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (I. Multiple Choice Question )
  1. An organic compound made of C, H and N contains 20% of nitrogen. Its m...

    Text Solution

    |

  2. Percentage of Se in peroxidase anhydrase enzyme is 0.5% by weight (at....

    Text Solution

    |

  3. An alkaloid contains 17.28% of nitrogen and it's molecular mass is 162...

    Text Solution

    |

  4. The crystalline salt Na(2)SO(4).xH(2)O on heating loses 55.9 % of its ...

    Text Solution

    |

  5. 0.1 mol of a carbonhydrate with empirical formula CH(2)O contains 1 g ...

    Text Solution

    |

  6. The most abundant elements by mass in the body of a healthy human adul...

    Text Solution

    |

  7. The ration of mass per cent of C and H of an organic compound (C(x)H(y...

    Text Solution

    |

  8. In Haber process 30 litre of dihydrogen and 30 litres of dinitrogen we...

    Text Solution

    |

  9. For the formation of 3.65 g of hydrogen chloride gas, what volumes of ...

    Text Solution

    |

  10. The mass of carbon anode consumed (giving only carbon dioxide) in the ...

    Text Solution

    |

  11. The dehydration yield of cyclohexanol to cyclohexene is 75%. What woul...

    Text Solution

    |

  12. A mixture of CO(2) and CO is passed over red hot graphite when 1 mole...

    Text Solution

    |

  13. 3.28 g of a sample of pure copper when heated in presence of oxygen of...

    Text Solution

    |

  14. An ore contains 1.24% of the mineral argentite, Ag(2)S by mass. How ma...

    Text Solution

    |

  15. The decomposition of cetian mass of CaCO(3) gave 11.2dm^(3) of CO(2) g...

    Text Solution

    |

  16. 20.0 g of magnesium carbonate sample decomposes on heating to give car...

    Text Solution

    |

  17. A mixture of CaCl(2) and NaCl weighing 4.44 is treated with sodium car...

    Text Solution

    |

  18. A mixture of ethane and ethene occupies 41 L at atm and 500 K. The mix...

    Text Solution

    |

  19. Express of CO(2) is passed through 50 mL of 0.5 M calcium hydroxide so...

    Text Solution

    |

  20. In the reaction, 4NH(3)(g)+5O(2)(g) rarr 4NO(g)+6H(2)O(g), when 1 mole...

    Text Solution

    |