In the given electrochemical cell, Ag(s)|AgCl(s)| FeCl2(aq), FeCl3(aq)|Pt(s) at 298 K, the cell potential (Ecell) will increase when : (A) Concentration of Fe 2+ is increased. (B) Concentration of Fe

Question

In the given electrochemical cell, Ag(s)|AgCl(s)| FeCl2(aq), FeCl3(aq)|Pt(s) at 298 K, the cell potential (Ecell) will increase when : (A) Concentration of Fe 2+ is increased. (B) Concentration of Fe 3+ is decreased (C) Concentration of Fe 2+ is decreased (D) Concentration of Fe 3+ is increased (D) Concentration of Cl – is increased Choose the correct answer from the options given below :

(A) A and B only
(B) A and E only
(C) B only
(D) C, D and E only

Prashant Kotian · Accepted Answer

Correct answer: D. Claq – + Ag(S) + Feaq +3  Feaq +2 + AgCl(S) cell cell 0.059 [Fe ] E E log [Cl ][Fe ]      

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