Statement (A): If atomic size increases, electro negativity decreases.
Statement (B): With increase in oxidation state, electro negativity increases.
Statement (C): As nuclear charge increases, electro negativity decreases.

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A, B are incorrect and C is correct

All the above statements are correct

A, B are correct and C is incorrect

All the above statements are incorrect

answer is C.

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Detailed Solution

Statement -I: As the atomic size increases, the nuclear attraction on the valence electron decreases, thus the electro negativity decreases. Therefore the statement -I is correct.

Statement-II: An atom with higher oxidation state is more electronegative; as it has more effective nuclear charge .Thus the statement -II is correct.

Statement-III: If the nuclear charge of an atom increases towards a shared pair of electron then the electro negativity also increases .so, the statement-III is incorrect.

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