HNO2 acts both as reductant and oxidant, while HNO3 acts only as oxidant. It is due to their:

In HNO2* oxidation number of N = +3, HNO2 oxidized to +5 and reduced to +1so it acts as Oxidant and ReductantIn HNO3* oxidation number of N = +5 ,HNO3 acts as only Oxidant due to it is reduced to +3.

HNO2 acts both as reductant and oxidant, while HNO3 acts only as oxidant. It is due to their:

In HNO2* oxidation number of N = +3, HNO2 oxidized to +5 and reduced to +1so it acts as Oxidant and ReductantIn HNO3* oxidation number of N = +5 ,HNO3 acts as only Oxidant due to it is reduced to +3.

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HNO₂ acts both as reductant and oxidant, while HNO₃ acts only as oxidant. It is due to their:

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Solubility ability

Minimum number of valence electrons

Maximum oxidation number

Minimum oxidation number

answer is B.

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Detailed Solution

In $\overset{*}{{HNO}_{2}}$ oxidation number of N = +3, HNO₂ oxidized to +5 and reduced to +1so it acts as Oxidant and Reductant
In $\overset{*}{{HNO}_{3}}$ oxidation number of N = +5 ,HNO₃acts as only Oxidant due to it is reduced to +3.

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