Among C,N ,B and O which element has the...

Among C,N ,B and O which element has the highest ionization potential and which element has the lowest ionization potential . Give reason.

Text Solution

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Element having highest ionization potential is N. Due to extra stability of half filled 2p orbital. Element having lowest ionization potential is B. Due to shielding effect of completely filled 2s orbital.

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The element with the highest first ionization potential is

A

Carbon

B

Nitrogen

C

Oxygen

D

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A

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B

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C

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D

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N

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