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Which of the following is incorrect?...

Which of the following is incorrect?

A

`IE_(1)` of `Li lt IE_(1)` of `Be`

B

`IE_(1)` of `Be lt IE_(1)` of `B`

C

`IE_(1)` of `Li lt IE_(1)` of `Na`

D

`IE_(1)` of `He lt IE_(1)` of `Ne`

Text Solution

Verified by Experts

The correct Answer is:
B
`IE_(1)` of `Be gt IE_(1)` of `B` , In `Be`, removal occurs from `2s,` in `B` , it occurs from `2p`. The more closer are subshell to nucleus the more is `IE`.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Ionisation Energy
  1. A sudden jump- between the values of second and third ionisation energ...

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  2. A neutral atom will have the lowest ionisation potential when its elec...

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  3. Which of the following is incorrect?

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  4. The process requiring the absorption of energy is

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  5. Which of the following sequence regarding the first ionisation potenti...

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  6. The element with highest value of ionisation potential is

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  7. In halogens, with increase of atomic number where habit is found

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

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

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

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  11. How many ionisation energies can carbon have?

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

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

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  14. the highest ionisation energy stands for

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

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  16. The first ionisation potential will be maximum for

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  17. The second ionisation potential is

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

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

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

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