Home
Class 11
CHEMISTRY
The first ionization enthalpy (Delta(t)H...

The first ionization enthalpy `(Delta_(t)H)` values of the third period elements, `Na, Mg` and `Si` are respectively 496, 737 and `786 kJ mol^(-1)`. Predict whether the first `Delta_(t)H` value for Al will be more close to 575 or `760 kJ mol^(-1)`? Justify your answer.

Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    NARAYNA|Exercise Level-VI (H.W)|35 Videos

  • REDOX REACTION

    NARAYNA|Exercise Exercise -4|114 Videos

Similar Questions

Explore conceptually related problems

The first ionisation enthalpy (Delta_(i)H^(o-)) values of the third period elements, Na, Mg and Si are respectively 496, 737 and 786 kJ mol^(-1) . Predict whether the first Delta_(i)H^(o-) value for Al will be more close to 575 or 760 kJ mol^(-1) ? Justify your answer.

The first ionizatioon enthalpy (DeltaH) values of the third period elements , Na m Mg and Si are respectively 496 , 737 and 786 kJ/mol . Predict whether the first DeltaH value for AI will be more close to 575 or 760 kJ / mol. Justify your answer.

The first ionization enthalpy (Delta_(i)H) values of the second period elements Li, Be and C are respectively 520, 899 and 1086 kJ mol^(-1) . Predict whther the first Delta_(i)H value for B will be more close to 690 or 990 kJ mol^(-1) ?

The first ionisation potential of Na ,Mg and Si are respectively 496,737 and 786 Kjmol^-1 the ionisation potential of Al will be closer to

Ionisation enthalpy (Delta_(i)"H kJ mol"^(-1)) for the elements of group 13 follows the order.

Ionisation enthalpy (Delta_(t)H_(l) "in" kJ mol^(-1)) for the elements of group-13 follows the order

NARAYNA-PERIODIC TABLE -All Questions
  1. What would be the IUPAC name and symbol for the element with atomic no...

    Text Solution

    |

  2. The X-X bond length is 1.00A^(0) and C-C bond length is 1.54A^(@). If ...

    Text Solution

    |

  3. The first ionization enthalpy (Delta(t)H) values of the third period e...

    Text Solution

    |

  4. The successive ionization enthalpies of an element M are 5.98, 18.82, ...

    Text Solution

    |

  5. The ionization enthalpy of sodium is 5.14 eV. How many k cal of energy...

    Text Solution

    |

  6. Process (A): F(2(g)) +2e^(-) rarr 2F((g))^(-) Process (B): Cl(2(g)) ...

    Text Solution

    |

  7. Bond energies of H(2), Cl(2) and HCI are respectively 104, 58 and 100 ...

    Text Solution

    |

  8. Covalent radius of .(82)Pb is 1.53Å. Calculate its electronegativity b...

    Text Solution

    |

  9. The ionization enthalpy of sulphur is 1014 kJ mol^(-1). If its electro...

    Text Solution

    |

  10. Electronegativity of F on Pauling scale si 4.0 Calculate its value on...

    Text Solution

    |

  11. Calculate the percent ionic character of HCl. Given that the observed ...

    Text Solution

    |

  12. Using the periodic table, predict the formula of compound formed betwe...

    Text Solution

    |

  13. What is the valency and oxidation number of nitrogen in nitrogen pento...

    Text Solution

    |

  14. Are the oxidation state and covalency of Al in [AlCl(H(2)O)(5)]^(2+) s...

    Text Solution

    |

  15. Lother Meyer obtained the curve for the known elements by plotting the...

    Text Solution

    |

  16. In Lother Meyer plot, the peaks are occupied by

    Text Solution

    |

  17. The law of triad is applicable to a group of

    Text Solution

    |

  18. The atomic number of element Unq is:

    Text Solution

    |

  19. The basis for the classification of elements in the modern periodic t...

    Text Solution

    |

  20. Considering the chemical properties, atomic weight of Be was corrected...

    Text Solution

    |