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Chemistry Question on Importance and Applications of Coordination Compounds

The compound(s) that is(are) removed as slag during the extraction of copper is
(A) CaO
(B) FeO
(C) Al2O3
(D) ZnO
(E) NiO
Choose the correct answer from the options given below :

A

(C), (D) only

B

(A), (B), (E) only

C

(A), (B) only

D

(B) only

Answer

(B) only

Explanation

Solution

The compound(s) that are removed as a slag during the extraction of copper is:
FeS →O2/SiO2\xrightarrow[]{O_2/SiO_2} FeSiO3 (slag) + SO2
∴ Only iron oxide (FeO) formed slag during the extraction of copper.