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The value in electron-volt per atom whic...

The value in electron-volt per atom which represent the first ionisation energy of oxygen and nitrogen atom respectively are

A

41.6,13.6

B

13.6 , 14.6

C

13.6 , 13.6

D

14.6,14.6

Text Solution

Verified by Experts

The correct Answer is:
B
`IE_(1)` of `._(7)N gt ._(8)O` because of stable configuration due to exactly half filed orbitals.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  8. Amongst the following elements (whose electronic configuration an gi...

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  9. Which one of the following is correct order of increase of size?

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  10. The statement that is not correct for periodic classification of eleme...

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  11. Which of the following has largest size ?

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  14. Ionic radii of :

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  15. The correct order of radii is:

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