HNO3 + S –> H2SO4 + NO Now identify the element oxidized and the element reduced. Which element is oxidized? Which element is reduced? W

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HNO3 + S –> H2SO4 + NO Now identify the element oxidized and the element reduced. Which element is oxidized? Which element is reduced? Which elements undergo no oxidation or reduction?

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Ladonna 3 days 2021-07-19T20:42:20+00:00 1 Answers 2 views 0

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    2021-07-19T20:43:50+00:00

    Answer: S is getting oxidized, N is getting reduced and O and H undergo no oxidation or reduction

    Explanation:

    The oxidation reaction is defined as the reaction in which a chemical species loses electrons in a chemical reaction. It occurs when oxidation number of a species increases.

    A reduction reaction is defined as the reaction in which a chemical species gains electrons in a chemical reaction. It occurs when oxidation number of a species decreases.

    For the given chemical reaction:

    HNO_3+S\rightarrow H_2SO_4+NO

    On the reactant side:

    Oxidation number of H = +1

    Oxidation number of N = +5

    Oxidation number of O = -2

    Oxidation number of S = 0

    On the product side:

    Oxidation number of H = +1

    Oxidation number of N = +2

    Oxidation number of O = -2

    Oxidation number of S = +6

    As the oxidation number of S is increasing from 0 to +6. Thus, it is getting oxidized. Similarly, the oxidation number of N is decreasing from +5 to +2. Thus, it is getting reduced.

    The oxidation numbers of O and H remain the same on both sides of the reaction. Thus, they are neither getting oxidized or reduced.

    Hence, S is getting oxidized, N is getting reduced and O and H undergo no oxidation or reduction

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