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Standard X

Chemistry

Electrochemical Series

For the follo...

Question

For the following cell:
$Z n (s) | Z n S O_{4} (a q) | | C u S O_{4} (a q)) | C u (s)$
When the concentration of $Z n^{2 +}$ is 10 times the concentration of $C u^{2 +}$ , the expression for $Δ G (i n J m o l^{- 1})$ is
[F is Faraday constant; R Is gas constant; T is temperature ; $E^{\circ} (c e l l) = 1.1 v]$

2.303 RT + 1.1 F

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1.1 F

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2.303 RT - 2.2 F

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-2.2 F

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Solution

The correct option is C 2.303 RT - 2.2 F
$Δ G = Δ G^{\circ} + 2.303 R T l o g_{10} Q; Q = \frac{[Z n^{2 +}]}{C u^{2 +}}$
$= - 2 F (1.1) + 2.303 R T l o g 1010$
$= 2.303 R T - 2.2 F$

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Similar questions

Q. For the following cell,

Z n (s) | Z n S O_{4} (a q) | | C u S O_{4} (a q) | C u (s)

When the concentration of

Z n^{2 +}

is 10 times the concentration of

C u^{2 +}

, the expression for

Δ G (i n J m o l^{- 1})

is [F is Faraday constant, R is gas constant; T is temperature;

E^{\circ}

(cell) = 1.1V]

Q. For the following cell,

Z n (s) | Z n S O_{4} (a q) | | C u S O_{4} (a q) | C u (s)

When the concentration of

Z n^{2 +}

is 10 times the concentration of

C u^{2 +}

, the expression for

Δ G (i n J m o l^{- 1})

is [F is Faraday constant, R is gas constant; T is temperature;

E^{\circ}

(cell) = 1.1V]

Q. For the following cell:

Z n (s) | Z n S O_{4} (a q) | | C u S O_{4} (a q)) | C u (s)

When the concentration of

Z n^{2 +}

is 10 times the concentration of

C u^{2 +}

, the expression for

Δ G (i n J m o l^{- 1})

is
[F is Faraday constant; R Is gas constant; T is temperature ;

E^{\circ} (c e l l) = 1.1 v]

Q. For the following cell,

Z n (s) | {Z n S O}_{4} (a q) ∥ {C u S O}_{4} (a q) | C u (s)

When the concentration of

{Z n}^{2 +}

10

times the concentration of

{C u}^{2 +}

, the expression for the

△ G

(in

J {m o l}^{- 1}

) is: [

F

is Faraday constant;

R

is gas constant;

T

is temperature;

E

(cell)

= 1.1 V

]

Q. For the following cell,

Z n (s) | Z n S O_{4} (a q) ∥ C u S O_{4} (a q) | C u (s)

, when the concentration of

Z n^{2 +}

10

times the concentration of

C u^{2 +}

, the expression for

△ G

(in

J m o l^{- 1}

) is:

[

F

is Faraday constant;

R

is gas constant;

T

is temperature;

E^{\circ} (c e l l) = 1.1 V]

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For the following cell: Zn(s)|ZnSO4(aq)||CuSO4(aq))|Cu(s) When the concentration of Zn2+ is 10 times the concentration of Cu2+, the expression for ΔG (inJmol−1) is [F is Faraday constant; R Is gas constant; T is temperature ; E∘(cell)=1.1v]

The correct option is C 2.303 RT - 2.2 FΔG=ΔG∘+2.303RTlog10Q;Q=[Zn2+]Cu2+ =−2F(1.1)+2.303 RT log10 10 =2.303 RT−2.2F

The correct option is C 2.303 RT - 2.2 F
$Δ G = Δ G^{\circ} + 2.303 R T l o g_{10} Q; Q = \frac{[Z n^{2 +}]}{C u^{2 +}}$
$= - 2 F (1.1) + 2.303 R T l o g 1010$
$= 2.303 R T - 2.2 F$