Home
Class 11
CHEMISTRY
The first ionisation energy of Al is sma...

The first ionisation energy of Al is smaller than that of Mg because `:`

A

Atomic size of Al`gt`Mg

B

Atomic size of Al`lt`Mg

C

I.E. in Al pertains to the removal of p-electron which is relatively easy

D

unpredictable.

Text Solution

Verified by Experts

The correct Answer is:
C
the order of penetration effect is sgtpgtdgtf
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise COMPREHENSION|4 Videos

  • ENVIRONMENTAL CHEMISTRY

    DINESH PUBLICATION|Exercise Integer Type Questions|4 Videos

Similar Questions

Explore conceptually related problems

The first ionisation potential of AI is smaller than that of Mg because:

The first ionisation energy of silicon is lower than that of

The first ionisation energy of beryllium is more than that of boron because

The first ionisation energy is maximum for

Assertion: The first ionisation energy of Be is greater than that of B . Reason: 2p-orbital is lower in energy than 2s-orbital.

Assertion: The first ionisation energy of aluminium is lower than that of magnesium. Reason: The ionic radius of aluminium is smaller than that of magnesium.

The ionisation energy of nitrogen is more than that of oxygen because

The density of Ca is less than that of Mg because

DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. The element with atomic number 56 belongs to which block ?

    Text Solution

    |

  2. The tenth element in the periodic table resembles the elements with at...

    Text Solution

    |

  3. The first ionisation energy of Al is smaller than that of Mg because :

    Text Solution

    |

  4. The second ionisation potential is

    Text Solution

    |

  5. Which of the elements show least values of ionisation enthalpy within ...

    Text Solution

    |

  6. Which of the following isoelectronic ions have the lowest ionization e...

    Text Solution

    |

  7. Which of the following process requires the largest amount of energy ?

    Text Solution

    |

  8. From the ground state electronic configuration of the elements given ...

    Text Solution

    |

  9. The elements which occupy the peaks of ionisation energy curve are

    Text Solution

    |

  10. The power of an atom to attract the shared pair in a molecule:

    Text Solution

    |

  11. Which out of the following has the largest ionisation energy ?

    Text Solution

    |

  12. Which of the following has the largest ionisation energy.

    Text Solution

    |

  13. Which of the following statement concerning ionisation energy is not c...

    Text Solution

    |

  14. The pair in which the ionisation energy of first species is less than ...

    Text Solution

    |

  15. Arrange S, P and As in order of increasing ionisation energy.

    Text Solution

    |

  16. The first ionisation potential of calcium is greatyer than that of pot...

    Text Solution

    |

  17. The increasing order of ionisation energy among sulphur, phosphorous a...

    Text Solution

    |

  18. Which of the following does not affect the ionisation potential of the...

    Text Solution

    |

  19. Which of the following process refers to ionisation potential ?

    Text Solution

    |

  20. r("(van der Waal)") is

    Text Solution

    |