Calculate ΔG° for the following reaction:

Fe²⁺(aq) + Ag⁺(aq) → Fe³⁺(aq) + Ag(s)

Given:

E°Fe³⁺/Fe²⁺ = +0.77 V
E°Ag⁺/Ag = +0.80 V

1. +2.89 kJ

2. -2.89 kJ

3. -2.89 J

4. -186.83 J

Subtopic:  Relation between Emf, G, Kc & pH |
 84%
Level 1: 80%+
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Given:
(i) Cu2++2e-→Cu    Eo = 0.337 V 
(ii) Cu2++e-→Cu+  Eo = 0.153 V 
Electrode potential, Eo for the reaction, 
Cu++e-→Cu, will be: 

1. 0.52 V

2. 0.90 V

3. 0.30 V

4. 0.38 V

Subtopic:  Relation between Emf, G, Kc & pH |
 76%
Level 2: 60%+
AIPMT - 2009
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What is the correct order of ionic mobility of the following ions in an aqueous solution?
1. K+> Na+> Rb+> Cs+ 2. Cs+> Rb+> K+> Na+
3. Rb+> K+> Cs+> Na+ 4. Na+> K+> Rb+> Cs+
Subtopic:  Relation between Emf, G, Kc & pH |
 73%
Level 2: 60%+
AIPMT - 2008
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Given the following cell reaction:
 \(\mathrm{2Fe^{3+}(aq) \ + \ 2I^{-}(aq)\rightarrow 2Fe^{2+}(aq) \ + \ I_{2}(aq)}\)

  \(E_{cell}^{o} \ = \ 0.24 \ V\) at \(298\) \(K\).
The standard Gibbs energy ∆rG⊝ of the cell reaction is:

[Given: \(F  = 96500\) \(C\) \(mol^{- 1}\)]

1. \(23 . 16\) \(kJ\) \(mol^{- 1}\)

2. \(- 46 . 32\) \(kJ\) \(mol^{- 1}\)

3. \(- 23 . 16\) \(kJ\) \(mol^{- 1}\)

4. \(46 . 32\) \(kJ\) \(mol^{- 1}\)

Subtopic:  Relation between Emf, G, Kc & pH |
 75%
Level 2: 60%+
NEET - 2019
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For a cell involving one electron \(E_{cell}^{\ominus} = 0 . 59  V\) at 298 K. The equilibrium constant for the cell reaction is :
\(\mathrm{[Given~ that~ \frac {2.303 ~RT}{F} = 0.059 ~V~ at~ T = 298 K]}\)

1. \(1 . 0 \times \left(10\right)^{30}\) 2. \(1 . 0 \times \left(10\right)^{2}\)
3. \(1 . 0 \times \left(10\right)^{5}\) 4. \(1 . 0 \times \left(10\right)^{10}\)

Subtopic:  Relation between Emf, G, Kc & pH |
 74%
Level 2: 60%+
NEET - 2019
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What happens to the pH of the solution during the electrolysis of aqueous NaCl (brine)?
1. The pH of the solution increases 2. The pH of the solution decreases
3. There is no change in the pH of the solution. 4. None of the above.
Subtopic:  Relation between Emf, G, Kc & pH |
 65%
Level 2: 60%+
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