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The first ionisation potentials (eV) of ...

The first ionisation potentials (eV) of `Be` and `B` respectively are

A

`9.32eV,8.29eV`

B

`9.32eV,9.32eV`

C

`8.29eV,8.29eV`

D

`8.29eV,9.32eV`

Text Solution

Verified by Experts

The correct Answer is:
A
First `IP` of `Be gt B` because of stable `ns^(2)` configuration.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Ionisation Energy
  1. In halogens, with increase of atomic number where habit is found

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  2. Which of the following transitions involves maximum amount of energy?

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  3. A rarr A^(+)+e,E(1) and A^(+) rarr A^(2+)+e,E(2). The energy required ...

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  4. Which of the following relation is correct with respect first (I) and ...

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  5. How many ionisation energies can carbon have?

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  6. The correct sequence of elements in decreasing order first ionisation ...

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  7. The first ionisation potentials (eV) of Be and B respectively are

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  8. the highest ionisation energy stands for

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  9. which of the following has the least ionisation potential?

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  10. The first ionisation potential will be maximum for

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  11. The second ionisation potential is

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  12. Which one of the following elements has the highest ionisation energy?

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  13. What will be the order of first ionisation energy?

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  14. In which of the following process highest energy is absorbed?

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  15. The increasing order of the first ionisation enthalpies of the element...

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  16. Which of the following explanation is best for not placing hydrogen in...

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

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  18. The first ionisation potential of Na is 5.1eV. The value of electrons ...

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  19. The correct sequence which shows decreasing order of the ionic radii o...

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  20. The set representing the correct order of ionic radius is

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