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27 May, 17:35

Which of the following elements in the given reaction is reduced?

ZnO+H2 ... Zn+H2O

(a) H2

(b) ZnO

(c) Zn

(d) O

+2
Answers (1)
  1. 27 May, 19:44
    0
    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.
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