Iron (Fe) reacts with copper sulfate (CuSO4) to form iron (II) sulfate. In this reaction, Cu2+ gains electrons to form Cu. Which
statement is true about this reaction?
Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)
A.) Cu undergoes decomposition.
B.) Cu undergoes oxidation.
C.) Cu undergoes reduction.
D.) Cu undergoes combustion.
2 answers:
C. Cu undergoes reduction.
Answer: C.) Cu undergoes reduction.
Explanation:
I) Oxidation reaction : involves loss of electrons and there is an increase in oxidation state number.
Fe metal has undergone oxidation, as its oxidation state is changing from 0 to +2 in
.
ii) Reduction reaction : involves gain of electrons and there is a decrease in oxidation state number.
Copper(II) ion has undergone reduction, as its oxidation state is changing from 2+ to 0. Copper ions are getting converted into copper metal.
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