Home
Class 11
CHEMISTRY
X,Y and Z are three members of a Dobore...

X,Y and Z are three members of a Doboreiner's triad . If the atomic mass of X is 7 and that of Z is 39 , what in the atomic mass of Y?

A

23

B

7

C

46

D

39

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL SHORT ANSWERS|58 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL LONG ANSWERS|12 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise II. WRITE BRIEF ANSWER TO THE FOLLOWING QUESTIONS.|27 Videos

  • HYDROGEN

    SURA PUBLICATION|Exercise NUMERICAL PROBLEM|2 Videos

  • PHYSICAL AND CHEMICAL EQUILIBRIUM

    SURA PUBLICATION|Exercise Creative questions (HOTS)|11 Videos

Similar Questions

Explore conceptually related problems

Experimental analysis of a compound containing the elements x,y,z on analysis gave the following data, x = 32 %, y = 24 %, z = 44 %. The relative number of atoms of x, y and z are 2,1 and 0.5, respectively. (Molecular mass of the compound is 400 g) Find out. (i) The atomic masses of the element x,y,z. (ii) Empirical formula of the compound and (iii) Molecular formula of the compound.

If x,y,z be three numbers in G.P. such that 4 is the A.M. between x and y and 9 is the H.M. between y and z , then y is

Two elements X and Y (atomic mass of X=75,Y=16 ) combine to give a compound having 76% of X. The formula of the compound is ?

If x+y+z=5 and x y+y z+z x=3 , then the greatest value of (x) is

SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ADDITIONAL CHOOSE THE CORRECT ANSWER
  1. On moving diagonally across the periodic table, the second and third p...

    Text Solution

    |

  2. d- block elements form compounds.

    Text Solution

    |

  3. X,Y and Z are three members of a Doboreiner's triad . If the atomic m...

    Text Solution

    |

  4. Characteristic of transition elements is incomplete

    Text Solution

    |

  5. The oxidation state of alkali metal is

    Text Solution

    |

  6. Modern periodic law is .

    Text Solution

    |

  7. Elements which generally exhibit multiple oxidation states and whose i...

    Text Solution

    |

  8. The elements eka aluminum and eka sillicon named by Mendeleev known to...

    Text Solution

    |

  9. Find the incorrect statement.

    Text Solution

    |

  10. Valence electrons in the atom of elements A is 4 and in the element B ...

    Text Solution

    |

  11. Which of the following set has atomic numbers of only representative e...

    Text Solution

    |

  12. Which one among the following exhibits a valency greater than 4?

    Text Solution

    |

  13. Halogens belong to the

    Text Solution

    |

  14. In the first translation series the incoming electron enters the

    Text Solution

    |

  15. The number of elements in the first periods of the modern periodic tab...

    Text Solution

    |

  16. Group 16 of the periodic table is called as

    Text Solution

    |

  17. The metal which is a liquid at room temperature is

    Text Solution

    |

  18. Representative elements are those which belong to

    Text Solution

    |

  19. The element with atomic number 103 is

    Text Solution

    |

  20. Elements whose atoms have their s and p- sublevels complete are the

    Text Solution

    |