The non-metal which cannot be oxidised to its corresponding acid by nitric acid is :

carbon

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sulphur

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phosphorus

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chlorine

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Solution

The correct option is D chlorine
The Standard Reduction Potential $E^{o}$ of the reduction of $C l_{2}$ to $C l^{-}$ is +1.36V whereas $E^{o}$ of reduction of $N O_{3}^{-}$ to $N O_{2}$ is +0.80V. As the $E^{o}$ of Chlorine is greater then the $E^{o}$ of nitric acid Chlorine will be reduced not oxidised.

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The non-metal which cannot be oxidised to its corresponding acid by nitric acid is :

The correct option is D chlorineThe Standard Reduction Potential Eo of the reduction of Cl2 to Cl− is +1.36V whereas Eo of reduction of NO−3 to NO2 is +0.80V. As the Eo of Chlorine is greater then the Eo of nitric acid Chlorine will be reduced not oxidised.