Match the chemical reactions taking place at the Anode of the cell with the correct cell in which the reaction occurs. Anodic reaction Cell A) {\Zn}( {\Hg})+2 {\OH}^{-} \rightarrow {\ZnO}_{( {\S})}+ {\H}_2 {\O}+2 e P) Fuel cell B) 2 {\H}_2( {\g})+4 {\OH}^{-} \rightarrow 4 {\H}_2 {\O}(l)+4 e Q) Leclanche cell C) Z n_{(S)} \rightarrow Z n^{2+}+2 e R) Nickel Cadmium storage cell D) {\Cd}_{(S)}+2 {\OH}^{-} \rightarrow {\CdO}_{(S)}+ {\H}_2 {\O}(l)+2 e S) Mercury cell

Correct Answer is : A=QB=SC=PD=R

{\A}= {\Q} {\B}= {\S} {\C}= {\P} {\D}= {\R}

{\A}= {\S} {\B}= {\P} {\C}= {\R} {\D}= {\Q}

{\A}= {\S} {\B}= {\R} {\C}= {\Q} {\D}= {\P}

{\A}= {\S} {\B}= {\P} {\C}= {\Q} {\D}= {\R}

COMEDK 2024 Shift 1 Paper

Question : 53 of 180

Marks: +1, -0

Match the chemical reactions taking place at the Anode of the cell with the correct cell in which the reaction occurs.

Anodic reaction	Cell
A) Zn(Hg)+2OH−⟶ZnO(S)+H2O+2e	P) Fuel cell
B) 2H2(g)+4OH−⟶4H2O(l)+4e	Q) Leclanche cell
C) Zn(S)⟶Zn2++2e	R) Nickel Cadmium storage cell
D) Cd(S)+2OH−⟶CdO(S)+H2O(l)+2e	S) Mercury cell

Anodic reaction	Cell
A) Zn(Hg)+2OH−⟶ZnO(S)+H2O+2e	S)ercury cell
B) 2H2(g)+4OH−⟶4H2O(l)+4e	P) Fuel cell
C) Zn(S)⟶Zn2++2e	Q) Leclanche cell
D) Cd(S)+2OH−⟶CdO(S)+H2O(l)+2e	R) Nickel Cadmium storage cell

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