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The first ionisation potential is maximu...

The first ionisation potential is maximum for

A

`B`

B

`N`

C

`O`

D

`Be`

Text Solution

Verified by Experts

The correct Answer is:
B
Ionisation potential generally increases when we more in a period from left to right but `IE_(1)` of `N_(2)` is greater than that of `O_(2)`. It is due to the more stable (half-filled orbitals) configurations of `N`.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Atomic Radius, Screening Effect And Penetration Effect
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  3. which of the following ions is the smallest in size?

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  4. The size of the following species increases in the order

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  5. Which of the following is correct order of atomic radii?

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  7. Which of the following is the largest ion?

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  9. The size of the following species increases in the order

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  10. Which of the following has the smallest size?

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  11. The trivalent ion having size in lanthanide series is

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  12. The correct order of atomic radii is:

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  13. Correct energy value order is

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  14. The correct order of atomic radii is

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  17. Which of the following gaseous atoms has the highest value of ionisati...

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