Home
Class 11
CHEMISTRY
One mole of magnesium in the vapour stat...

One mole of magnesium in the vapour state absorbed 1200 kJ 'm o l^(-1)' of energy. If the first and second ionization energies of 'Mg' are 750 and '1450 kJ mol^(-1)' respectively, the final composition of the mixture is

A

`69%Mg^(+)`

B

`69%Mg^(2+)`

C

`59%Mg^(+)`

D

`59%Mg^(2+)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION-REASON)|11 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTION|11 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise LEVEL - I (ASSERTION - REASON)|9 Videos

  • CHEMICAL THERMODYNAMICS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|52 Videos

  • ENVIRONMENTAL CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS LEVEL-II (ASSERTION-REASON TYPE)|10 Videos

Similar Questions

Explore conceptually related problems

2 moles of a mixture of acetylene and ethane produced on combustion, 5500 kJ of heat energy. The enthalpies of combustion of acetylene and ethane are 2000 and 3000 kJ mol^(-1) respectively. The ratio of acetylene to ethane in the mixture is

The enthalpy of formation of NaCl(s) is -411.2 kJ mol^(-1). The enthalpy of sublimation of Na(s), its ionization enthalpy in the gaseous state, the bond energy of chlorine, its electron gain enthalpy are 108.4, 495.6, 242 and -348.6 kJ mol^(-1) respectively. The energy required to break one mole of solid sodium chloride into its ions in the gaseous state is (in kJ)

The energy of second Bohr orbit of the hydrogen atom is '-328 kJ mol^(- 1)' hence the energy of fourth Bohr orbit would be

Calculate DeltaH_r^theta for reaction H_2(g)+Br_2(g)rarr2HBr(g) given that the bond energies of H-H, Br-Br and H-Br are 435, 192 and 364 kJ mol^-1 respectively.

Calculate the energy needed to convert three moles of sodium atoms in the gaseous state to sodium ions, The ionization energy of sodium is 495 kJ mol^(-1)

BRILLIANT PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-LEVEL - II
  1. The correct order of the size is

    Text Solution

    |

  2. The ionic conductance of the following cations in a given concentratio...

    Text Solution

    |

  3. One mole of magnesium in the vapour state absorbed 1200 kJ 'm o l^(-1)...

    Text Solution

    |

  4. Aqueous solutions of two compounds M(1)-OHandM(2)-OH are prepared in t...

    Text Solution

    |

  5. Five successive ionisation enthalpies of a metal are 577.6, 1816.7, 27...

    Text Solution

    |

  6. X, Y and Z are three elements with DeltaiH(1),DeltaiH(2)andDeltaegH(1)...

    Text Solution

    |

  7. Find the true statement/statements a) In a given period Delta(i)H(1)...

    Text Solution

    |

  8. Koverset(a)toK^(+)overset(b)toK^(2+) Caoverset(c)toCa^(+)overset(d)t...

    Text Solution

    |

  9. X(g)toX^(+)(g)+e^(-)" "DeltaH=+720kJmol^(-1). Calculate the amount of ...

    Text Solution

    |

  10. Consider the following changes a) M(s)toM(g) b) M(s)toM^(2+)(g)+2e...

    Text Solution

    |

  11. Which among the following is not correct: The 1E(1) of Zn, Cd, Hg ar...

    Text Solution

    |

  12. Find the true statement/statements i. Delta(eg)H is related to elect...

    Text Solution

    |

  13. Consider the following conversions i. O((g))+e^(-)toO(g)^(-)" "Del...

    Text Solution

    |

  14. (3N(0))/2 atoms of X((g)) are converted into X((g))^(+) by energy E(1)...

    Text Solution

    |

  15. Which will have the maximum value of electron affinity O^(X),O^(Y),O^(...

    Text Solution

    |

  16. In which of the following options, the order of arrangement does not a...

    Text Solution

    |

  17. Select the group where E.N increase down the group?

    Text Solution

    |

  18. If electronegativity of A 2.0 and that of B is 3.0. What is the covale...

    Text Solution

    |

  19. A compound contains three elements A, B and C. If the oxidation number...

    Text Solution

    |

  20. There are three elements A, B, C. Their atomic number are Z(1),Z(2)and...

    Text Solution

    |