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प्रश्न
Calculate the oxidation number of the underlined atom.
HNO3
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उत्तर
HNO3
Oxidation number of H = +1
Oxidation number of O = −2
HNO3 is a neutral molecule.
∴ Sum of the oxidation numbers of all atoms of HNO3 = 0
∴ (Oxidation number of H) + (Oxidation number of N) + 3 × (Oxidation number of O) = 0
∴ (+1) + (Oxidation number of N) + 3 × (–2) = 0
∴ Oxidation number of N + 1 – 6 = 0
∴ Oxidation number of N in HNO3 = +5
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