Justify That The Following Reactions Are Redox Reaction CuO(s) +H2(g)

Trang chủ » Cuo(s) + H2(g) → Cu(s) + H2o(g) » Justify That The Following Reactions Are Redox Reaction CuO(s) +H2(g)

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Solution-

Let us write the O.N of each element

\overset{\:\:2+\:\:-2}{CuO}\:+\:\overset{0}{H_{2}}\rightarrow \overset{0}{Cu}\:+ \:\overset{+1\:-2}{H_{2}O}

Here, the O.N of Cu decreases from +2 to 0, i.e., CuO is reduced to Cu. Also, the O.N of H increases from 0to +1, i.e., H2 is oxidised to H2O. Hence, it is a redox reaction.

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Gautam harsolia

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