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Which electronic configuration will show...

Which electronic configuration will show the highest first ionization enthalpy ?

A

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

B

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

C

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

D

`1s^(2) 2s^(2)`

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The correct Answer is:
B
NA
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PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Competition Focus (Jee Main and Advanced / Medical Entrance ) ( Multiple Choice Question I )
  1. The first ionisation potentials (eV) of Be and B respectively are

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  2. In the following, the element with the highest ionization energy is

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  3. Which electronic configuration will show the highest first ionization ...

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  4. The increasing order of the first ionization enthalpy of the elements ...

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  5. With which of the following electronic configuration of an atom has th...

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  6. The correct order of ionisation energy of C, N, O and F is

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  7. Which of the following orders about ionization energy is correct...

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  8. Among the following, the third ionisation energy is highest for

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  9. Which of the element is expected to have lowest first ionisation entha...

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  10. Which of the following atoms has the highest first ionisation energy ?

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  11. Generally, the first ionisation energy increases along a period. But t...

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  12. The correct decreasing order of first ionisation enthalpies of five el...

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  13. Which of the following represents the correct order of increasing firs...

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  14. Screening effect is not observed in :

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  15. In which case, effective nuclear charge is minimum ?

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  16. The effective nuclear charge of an element with three valence electron...

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  17. which of the following configurations represents atoms of the elements...

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  18. Which electronic configuration of an element has abnormally high diffe...

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  19. The five successive energies of an element are 800, 2427, 3658, 25024 ...

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  20. For one of the element various successive ionization enthalpies ...

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