2Ag-aq- - Cus- Cu2-aq- - 2AgsThe standard potential E- for this reaction is 0-46 V- Which change will increase the potential the most-

The correct option is A Doubling the [Ag^+] we have, E_cell = E^0_cell 0.05912 log Cu^2+(Ag^+)^2 so, on doubling the [Ag^+] , the potential wil ...

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Byju's Answer

Standard XII

Chemistry

Standard Electrode Potentials

2Ag+aq. + Cus...

Question

$2 A g^{+} (a q .) + C u (s) ⇌ C u^{2 +} (a q .) + 2 A g (s)$
The standard potential $E^{\circ}$ for this reaction is $0.46 V$ . Which change will increase the potential the most?

Doubling the

[A g^{+}]

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Halving the

[C u^{2 +}]

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Doubling the size of the

C u (s)

electrode

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Decreasing the size of the

A g

electrode by one-half

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Solution

The correct option is A Doubling the $[A g^{+}]$
we have,
$E_{c e l l} = E_{c e l l}^{0} - \frac{0.0591}{2} l o g \frac{C u^{2 +}}{(A g^{+})^{2}}$
so, on doubling the $[A g^{+}]$ , the potential will increase.

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Similar questions

2 A g^{+} (a q .) + C u (s) ⇌ C u^{2 +} (a q .) + 2 A g (s) (E_{c e l l}^{\circ} = + 0.46 V)

Which change will increase potential the most?

For a cell reaction Cu(s) + 2Ag⁺(aq) → Cu ²⁺+ 2 Ag⁺ (aq) the standard cell potential is 0.46V . By doubling the concentration of Copper(II) ions, The standard cell potential will get:-

Q. Which of the following represents the anode half-cell reaction for the following galvanic cell:

C u (s) | C u^{2 +} (a q) | | A g^{+} (a q) | A g (s)

Q. Which of the following represents the anode half-cell reaction for the following galvanic cell:

C u (s) | C u^{2 +} (a q) | | A g^{+} (a q) | A g (s)

Q. In the cell reaction,

C u (s) + 2 A g^{+} (a q .) \to C u^{2 +} (a q .) + 2 A g (s)

E_{c e l l}^{\circ} = 0.46 V

. By doubling the concentration of

C u^{2 +}, E_{c e l l}^{\circ}

is:

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2Ag+(aq.)+Cu(s)⇌Cu2+(aq.)+2Ag(s)The standard potential E∘ for this reaction is 0.46 V. Which change will increase the potential the most?

The correct option is A Doubling the [Ag+]we have,Ecell=E0cell−0.05912logCu2+(Ag+)2so, on doubling the [Ag+], the potential will increase.

$2 A g^{+} (a q .) + C u (s) ⇌ C u^{2 +} (a q .) + 2 A g (s)$
The standard potential $E^{\circ}$ for this reaction is $0.46 V$ . Which change will increase the potential the most?

The correct option is A Doubling the $[A g^{+}]$
we have,
$E_{c e l l} = E_{c e l l}^{0} - \frac{0.0591}{2} l o g \frac{C u^{2 +}}{(A g^{+})^{2}}$
so, on doubling the $[A g^{+}]$ , the potential will increase.