In wich of the following electrochemical cell the overall cell reaction is :A. ` Zn|H_2SO_4(aq) |H_2(g) |Pt`B. ` Zn|H_2SO_4(aq) |H_2(g) |Pt`C. `Zn|ZnSO_4(aq)|H_2SO_4(aq)|H_2(g)|Pt`D. `Zn|ZnSO_4(aq)|H_2SO_4(aq)|H_2(g)|Pt`

In wich of the following electrochemical cell the overall cell reactio

1.	In wich of the following electrochemical cell the overall cell reaction is :A. ` Zn\|H_2SO_4(aq) \|H_2(g) \|Pt`B. ` Zn\|H_2SO_4(aq) \|H_2(g) \|Pt`C. `Zn\|ZnSO_4(aq)\|H_2SO_4(aq)\|H_2(g)\|Pt`D. `Zn\|ZnSO_4(aq)\|H_2SO_4(aq)\|H_2(g)\|Pt`
Answer» Correct Answer - D For the cell: `Zn\|ZnSO_4 (aq) \|\|H_2SO_4(aq)\|H_2(g)\|Pt` LHE reaction: `Zn rarr Zn^(2+) +2e` RHE reaction : `2H^(+) +2e rarr K_2` Net reaction: `Zn+e2H^+ rarr Zn^+ + H_2` or `Zn(s) + H_2SO_4 (aq)rarr ZnSO_4 (aq) = H_2(g)`

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In wich of the following electrochemical cell the overall cell reaction is :A. ` Zn|H_2SO_4(aq) |H_2(g) |Pt`B. ` Zn|H_2SO_4(aq) |H_2(g) |Pt`C. `Zn|ZnSO_4(aq)|H_2SO_4(aq)|H_2(g)|Pt`D. `Zn|ZnSO_4(aq)|H_2SO_4(aq)|H_2(g)|Pt`

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