Question

Identify the oxidised substance in the reaction CUO+H2- CU+H2O

Answer 1

Answer:

H

Explanation:

Cu has oxidation state=+2 in CuO which then changes to 0 for Cu. Therefore Cu is reduced

H has oxidation state=0 in H2 which then changes to +2 for H2O. Therefore H is oxidised

Answer 2

Answer:

cuo ->cu (reduction)

h2 -> h20 ( oxidation )

Explanation:

so which helps oxidation/reduction is known as agents

here cuo helps oxidation so its oxidosing agent

and h2 gain s helps reduction of cuo so reducing agent

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