Home
Class 12
CHEMISTRY
The first ionisation enthalpy (Delta(i)H...

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.

A

575

B

760

C

390

D

1120

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • p-Block Element

    ALLEN|Exercise All Questions|20 Videos

  • RACE

    ALLEN|Exercise more than may be correct|2 Videos

Similar Questions

Explore conceptually related problems

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.

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) ?

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

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

ALLEN-Periodic Table -All Questions
  1. The incorrect statement among the following is :-

    Text Solution

    |

  2. Ionisation energy depends upon:

    Text Solution

    |

  3. The first ionisation enthalpy (Delta(i)H^(o-)) values of the third per...

    Text Solution

    |

  4. Which one of the following statements is incorrect in relation to ioni...

    Text Solution

    |

  5. The IP(1),IP(2),IP(3),IP(4) and IP(5) of an element are 7.1, 14.3, 34....

    Text Solution

    |

  6. Which process required maximum energy :-

    Text Solution

    |

  7. To which the following atom, the attachment of electron is most diffic...

    Text Solution

    |

  8. The element having very high ionization enthalpy but zero electron af...

    Text Solution

    |

  9. Which of the following statement is correct regarding following proces...

    Text Solution

    |

  10. Select equation having exothermic step:

    Text Solution

    |

  11. Electron affinity of :

    Text Solution

    |

  12. An atom with high electronegativity generally has :-

    Text Solution

    |

  13. Assertion :- Cr belong to 4th period Reason :- Cr atom contain 4 sh...

    Text Solution

    |

  14. Assertion :- First electrons affinity fo all element is positive. Re...

    Text Solution

    |

  15. Assertion :- The first ionization energy of Be is greater than that of...

    Text Solution

    |

  16. Assertion:- Mg^(2+) is smaller atomic size then F^(-) Resaon :- Mg...

    Text Solution

    |

  17. Assertion :- He has highest I.E among all elements. Reason :- He ha...

    Text Solution

    |

  18. Assertion :- Metallic character increases on going down the group R...

    Text Solution

    |

  19. Assertion :-HCl is more polar than HF. Reason :- Cl has more E.N. t...

    Text Solution

    |

  20. Match the following columns

    Text Solution

    |