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Electrochemical Cells, Galvanic Cells

Using the sta...

Question

Using the standard electrode potentials given in the Table 8.1, predict if the reaction between the following is feasible:

(a) Fe³⁺(aq) and I^–(aq)

(b) Ag⁺(aq) and Cu(s)

(c) Fe³⁺ (aq) and Cu(s)

(d) Ag(s) and Fe³⁺(aq)

(e) Br₂(aq) and Fe²⁺(aq)

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Solution

(a) The possible reaction between is given by,

E° for the overall reaction is positive. Thus, the reaction between and is feasible.

(b) The possible reaction between is given by,

E° positive for the overall reaction is positive. Hence, the reaction between and is feasible.

(c) The possible reaction between and is given by,

E° positive for the overall reaction is positive. Hence, the reaction between and is feasible.

(d) The possible reaction betweenand is given by,

Here, E° for the overall reaction is negative. Hence, the reaction between and is not feasible.

(e) The possible reaction betweenand is given by,

Here, E° for the overall reaction is positive. Hence, the reaction between and is feasible.

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Using the standard electrode potentials given in the Table 8.1, predict if the reaction between the following is feasible:

(a) Fe³⁺(aq) and I^–(aq)

(b) Ag⁺(aq) and Cu(s)

(c) Fe³⁺ (aq) and Cu(s)

(d) Ag(s) and Fe³⁺(aq)

(e) Br₂(aq) and Fe²⁺(aq)

Q. Using the standard electrode potentials given in Table

3.1

, predict if the reaction between the following is feasible:
(i)

F e^{3 +} (a q)

I^{-} (a q)

A g^{+} (a q)

C u (s)

F e^{3 +} (a q)

B r^{-} (a q)

A g (s)

F e^{3 +} (a q)

B r_{2} (a q)

F e^{2 +} (a q)

Using the standard electrode potential valuesl predict if the reaction between the following is feasible :

(i) $F e^{3 +} (a q) a n d I^{-} (a q)$

(ii) $A g^{+} (a q) a n d C u (s)$

(iii) $F e^{3 +} (a q) a n d B r^{-} (a q)$

(iv) $A g (s)$ and $F e^{3 +} (a q)$

(v) $B r_{2} (a q) a n d F e^{2 +} (a q)$

Given standard electrode potentials

$E_{\frac{1}{2} \frac{t_{2}}{1^{-}}}^{\circ} = + 0.541 V E_{(\frac{C u^{2 +}}{C u})}^{\circ} = + 0.34 V E_{(\frac{1}{2} \frac{B r_{2}}{B r^{-}})}^{\circ} = + 1.09 V E_{(\frac{A g^{+}}{A g})}^{\circ} = + 0.80 V E_{(\frac{F e^{3 +}}{F e^{2 +}})}^{\circ} = + 0.77 V$

Using the standard electrode potentials given in the Table, predict if the reaction between the following is feasible.

A g (s)

F e^{3 +} (a q)

Using the standard electrode potentials given in the table, predict if the reaction between the following is possible.

F e^{3 +} (a q)

I^{-} (a q)

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