The element with the highest first ionisation potential is:

Boron

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Carbon

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Nitrogen

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Oxygen

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Solution

The correct option is C Nitrogen
Nitrogen has highest ionisation potential due to exceptional stability of its half filled valence shell configuration. Since, it has stable configuration, first ionization energy is high.

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Similar questions

Out of B,C,N and O the element with the highest first ionisation potential is:

Which element has the highest ionization potential and which has the lowest ionization potential?

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