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Q.

Which of the following statements about the following reaction is/are wrong?2Cu2O(s)+Cu2S(s)⟶6Cu(s)+SO2(g)

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a

Both Cu2O and Cu2S are reduced.

b

Only Cu2S is reduced

c

Cu2S is the oxidant

d

Only Cu2O is reduced.

answer is B.

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Detailed Solution

(1) in Cu2O and Cu2S, the oxidation state of Cu is  +1. So they are reduced to Cuo. Cu1++e−⟶Cu0
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Which of the following statements about the following reaction is/are wrong?2Cu2O(s)+Cu2S(s)⟶6Cu(s)+SO2(g)