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Standard Gibbs energy change and standard emf of a cell from each other

This type of question, asked 7 times: 9 May 2024 S1, 11 May 2024 S2, 12 May 2024 S1, 20 Apr 2025 S2, 21 Apr 2025 S1, 21 Apr 2025 S2, 25 Apr 2025 S1. All 7 questions below, oldest first.

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  1. Question 1

    9 May 2024 S1

    61
    Calculate ΔG∘\Delta G^\circ for the cell Sn(s)∣Sn2+(1 M)∣∣Ag+(1 M)∣Ag(s)Sn(s)|Sn^{2+}(1\,M)||Ag^+(1\,M)|Ag(s) at 25∘C25^\circ C, Ecell∘=0.90 VE^\circ_{\text{cell}}=0.90\,V

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  2. Question 2

    11 May 2024 S2

    73
    Which from following sentences is NOT correct?

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  3. Question 3

    12 May 2024 S1

    52
    Calculate ΔG∘\Delta G^{\circ} for the reaction Mg(s)+Sn(aq)2+→Mg(aq)2++Sn(s)\text{Mg}_{(s)}+\text{Sn}^{2+}_{(aq)}\rightarrow\text{Mg}^{2+}_{(aq)}+\text{Sn}_{(s)} if Ecell0E^{0}_{\text{cell}} is 2.23 V

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  4. Question 4

    20 Apr 2025 S2

    51
    Assume the cell reaction, A(s)+B(aq)+2⟶ A(aq)+2+B(s)A_{(s)}+B_{(aq)}^{+ 2}\longrightarrow{\text{ }A}_{(aq)}^{+ 2}+B_{(s)}if ΔG∘=−386 kJ\Delta G^{\circ}= - 386\text{ }kJ at 298 K . What is Ecell 0E_{\text{cell~}}^{0} ?

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  5. Question 5

    21 Apr 2025 S1

    91
    If standard emf of cell Zn(s)∣Zn(iM)+2∣Ag(iM)+1∣Ag(s)Zn_{(s)}\left| Zn_{(iM)}^{+ 2} \right|Ag_{(iM)}^{+ 1}\mid Ag_{(s)} is 1.55 V . What is electrical work done under standard conditions?

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  6. Question 6

    21 Apr 2025 S2

    98
    For cell reaction, 2Al(s)+3Cu+2 (aq)⟶2Al+3 (aq)+3Cu(s)2Al_{(s)}+ 3Cu^{+ 2}\ _{(aq)}\longrightarrow 2Al^{+ 3}\ _{(aq)}+ 3Cu_{(s)}If G∘=−1158 kJG^{\circ}= - 1158\text{ }kJ, what is Ecell ∘E_{\text{cell~}}^{\circ} ?

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  7. Question 7

    25 Apr 2025 S1

    86
    For the cell involving following reaction. Zn(s)+Ni(aq)+2⟶Zn(aq)+2+Ni(s),Ecell ∘=0.5 VZn_{(s)}+Ni_{(aq)}^{+ 2}\longrightarrow Zn_{(aq)}^{+ 2}+Ni_{(s)},E_{\text{cell~}}^{\circ}= 0.5\text{ }V. What is standard Gibb's energy change of cell reaction?

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