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The lowest first ionization energy would...

The lowest first ionization energy would be associated with which of the following configurations.

A

`1s^(2)2s^(2)2p^(6)3s^(1)`

B

`1s^(2)2s^(2)2p^(5)`

C

`1s^(2)2s^(2)2p^(6)`

D

`1s^(2)2s^(2)2p^(6)3s^(2)3p^(2)`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -1 (IONISATION POTENTIAL)
  1. Which of the following process refers to ionisation potential ?

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  2. When the screening effect increases, ionisation energy

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  3. With an increase in the extent of penetration of valence electrons, io...

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  4. The group of elements with highest second ionisation energy is

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  5. How many ionisation energies can carbon have ? Electron configuration ...

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  6. Why first ionisation potential of aluminium is less than that of magne...

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  7. Electrons with the highest penetrating power are

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  8. The elements that possess the lowest ionisation energy among the follo...

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  9. Atoms of the following group possess the highest ionisaiton energies

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  10. Atoms of the following group possess the lowest ionisation energies

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  11. Configuration of the element with the highest ionisation energy is

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  12. When Lithium vapour is taken in a discharge tube and the potential dif...

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  13. Which of the following transition involves maximum amount of energy?

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  14. The first ionisation potential is maximum for

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  15. The lowest first ionization energy would be associated with which of t...

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  16. The maximum tendency to form unipositive ion is for the element with t...

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  17. As one moves along a given row in the periodic table, ionisation energ...

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  18. First four ionisation energy values of an element are 191, 578, 872 an...

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  19. Ionisation potential values of Li, Be and B are respectively in kJ "mo...

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  20. Screening effect is not common for the elements of the period

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