Home
Class 12
CHEMISTRY
Which of the following electronic config...

Which of the following electronic configurations has the lowest value of ionisation energy? Explain.
a. `1s^(2) 2s^(2)2p^(6)`
b. `1s^(2) 2s^(2)2p^(5)`
c. `1s^(2) 2s^(2)2p^(6) 3s^(1)`

A

`II lt IV lt III lt I`

B

`I lt II lt III lt IV`

C

`I lt III lt II lt IV`

D

`IV lt III lt II lt I`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERIODIC PROPERTIES

    VK JAISWAL|Exercise Level 2|102 Videos

  • PERIODIC PROPERTIES

    VK JAISWAL|Exercise MATCH THE COLUMN|13 Videos

  • PERIODIC PROPERTIES

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|22 Videos

  • p-BLOCK ELEMENTS

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|36 Videos

  • QUALITATIVE INORGANIC ANALYSIS

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|5 Videos

Similar Questions

Explore conceptually related problems

Q .Which of the following electron configurations is correct for nickel (atomic number "28" )? a) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(1)3d^(9) (b) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(8) (c) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(0)3d^(10)

The electronic configuration for the following neutral atoms are given for use in question. (a) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (b) 1s^(2) 2s^(2) 2p^(6) 3s^1 (c ) 1s^(2) 2s^(2) 2p^(4) (d) 1s^(2) 2s^(2) 2p^(5) (e) 1s^(2) 2s^(2) 2p^(6) Which of the electronic configurations given above would you expect to have the lowest ionization enthalpy?

The electronic configuration for the following neutral atoms are given for use in question. (a) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (b) 1s^(2) 2s^(2) 2p^(6) 3s^1 (c ) 1s^(2) 2s^(2) 2p^(4) (d) 1s^(2) 2s^(2) 2p^(5) (e) 1s^(2) 2s^(2) 2p^(6) Which of the electronic configuration given above would you expect for the noble gas?

The electronic configuration for the following neutral atoms are given for use in question. (a) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (b) 1s^(2) 2s^(2) 2p^(6) 3s^1 (c ) 1s^(2) 2s^(2) 2p^(4) (d) 1s^(2) 2s^(2) 2p^(5) (e) 1s^(2) 2s^(2) 2p^(6) List the above configurations in order of increasing ionization enthalpy.

Elements with their electronic configurations are given below: Answer the following questions: (I) 1s^(2) 2s^2 (II) 1s^(2) 2s^(2) 2p^(6) (III) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (IV) 1s^(2) 2s^(2) 2p^(3) (V) 1s^(2) 2s^(2) 2p^(5) The element with lowest value of electron affinity is:

Elements with their electronic configurations are given below: Answer the following questions: (I) 1s^(2) 2s^2 (II) 1s^(2) 2s^(2) 2p^(6) (III) 1s^(2) 2s^(2) 2p^(6) 3s^(2) (IV) 1s^(2) 2s^(2) 2p^(3) (V) 1s^(2) 2s^(2) 2p^(5) The element with highest I.E. is:

VK JAISWAL-PERIODIC PROPERTIES-Level 1
  1. Arrange N, O and S in order of decreasing electron affinity:

    Text Solution

    |

  2. Among the following configurations, the element which has the highest ...

    Text Solution

    |

  3. Which of the following electronic configurations has the lowest value ...

    Text Solution

    |

  4. Why is the second electron gain enthalpy negative (i.e. energy is abs...

    Text Solution

    |

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

    Text Solution

    |

  6. Which of the following represents correct order of electron affinity?

    Text Solution

    |

  7. The process requiring absorption of energy is:

    Text Solution

    |

  8. The electronegativity of the following elements increases in the order...

    Text Solution

    |

  9. Which of the following order is incorrect?

    Text Solution

    |

  10. Correct expression of "allred and Rochow's " scale is :

    Text Solution

    |

  11. The hydration energy of Mg^(2+) ions is lesser than that of:

    Text Solution

    |

  12. Among the following, which the maximum hydration energy?

    Text Solution

    |

  13. Which of the following is arranged in order of incresing radius?

    Text Solution

    |

  14. Which of the following compounds has a negative enthalpy of solution?

    Text Solution

    |

  15. Amongst sodium halides {NaF,NaCl, NaBr and NaI), NaF has the highest m...

    Text Solution

    |

  16. Among the following oxides, which has the maximum lattice energy?

    Text Solution

    |

  17. Which of the following compounds has a positive enthalpy of solution?

    Text Solution

    |

  18. Born-Haber cycle is used to determine

    Text Solution

    |

  19. Which of the following is different from other three oxides?

    Text Solution

    |

  20. Select the amphoteric substance in the following:

    Text Solution

    |