Which of the following elements in the given reaction is reduced? ZnO+H2 ...... Zn+H2O (a) H2 (b) ZnO (c) Zn (d) O

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asked Nov 7, 2018 234k views

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Zeppi · Answer 1 · 2018-11-14T11:45:09+0000

Answer should be C. Look for oxidation numbers to determine whether they are being reduced or oxidised. Oxidation number of Zn in ZnO is +2, oxidation number of Zn (product) is 0. So oxidation number reduce by 2. Hence, Zn is being reduced.

Which of the following elements in the given reaction is reduced? ZnO+H2 ...... Zn+H2O (a) H2 (b) ZnO (c) Zn (d) O

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