A) \[Fe+A{{l}_{2}}{{O}_{3}}\xrightarrow{{}}2Al+F{{e}_{2}}{{O}_{3}}\]
B) \[ZnO+C\xrightarrow{{}}Zn+CO\]
C) \[C{{r}_{2}}{{O}_{3}}+2Al\xrightarrow{{}}2Cr+A{{l}_{2}}{{O}_{3}}\]
D) \[2{{\left[ Ag{{\left( CN \right)}_{2}} \right]}^{-}}+Zn\xrightarrow{{}}2Ag+{{\left[ Zn{{\left( CN \right)}_{4}} \right]}^{2-}}\]
Correct Answer: A
Solution :
[a] Iron can-not reduce alumina
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