A) \[C{{u}_{(s)}}+ZnS{{O}_{4(aq)}}\xrightarrow{{}}CuS{{O}_{4(aq)}}+Z{{n}_{(s)}}\]
B) \[Z{{n}_{(s)}}+CuS{{O}_{4}}(aq)\xrightarrow{{}}C{{u}_{(s)}}+ZnS{{O}_{4}}_{(aq)}\]
C) \[N{{i}_{(s)}}+ZnS{{O}_{4}}(aq)\xrightarrow{{}}NiS{{O}_{4}}_{(aq)}+Z{{n}_{(s)}}\]
D) \[2N{{a}_{(s)}}+CdS{{O}_{4}}(aq)\xrightarrow{{}}N{{a}_{2}}S{{O}_{4}}_{(aq)}+C{{d}_{(s)}}\]
Correct Answer: B
Solution :
In galvanic cell the electrical energy is produced from chemical reactions \[At\,\,anode\,\,\,\,:\,\,\,\,\,Zn\,\,\,\,\to \,\,\,\,Z{{n}^{2+}}+Z{{e}^{-}}\,\,\,\,\,(Oxidation)\]
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