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Roasting

Sometimes roa...

Question

Sometimes roasting may not bring about complete oxidation:
$2 C u F e S_{2} + 4 O_{2} ⟶ A + 2 F e O + 3 S O_{2}$
Find out A:

C u_{2} O

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C u O

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C u_{2} S

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C u S

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Solution

The correct option is C $C u_{2} S$
A is $C u_{2} S$
The balanced chemical equation is
$2 C u F e S_{2} + O_{2} \to C u_{2} S + 2 F e S + S O_{2}$

Suggest Corrections

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