Calculate EMF of the cell- A - A -3 0-1 M - B -2 0-01 M- BGiven- E o A - A -3 -0-75 V- E o B- B -2 -0-45 V

The correct option is A 0.30 V ( )A|A^3+_(0.1)||B^2+_(0.01m)|(+)B #160; #160; #160; #160; #160; #160; #160;Given E^o_A/A^3+ ...

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Byju's Answer

Standard XII

Physics

Ohm's Law in Scalar Form

Calculate EMF...

Question

Calculate EMF of the cell:

$A | A^{+ 3} (0.1 M) | | B^{+ 2} (0.01 M) | B$
Given: $E_{A / A^{+ 3}}^{o} = 0.75 V$ , $E_{B / B^{+ 2}}^{o} = 0.45 V$

0.30 V

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1.21 V

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0.26 V

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0.80 V

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Solution

The correct option is A $0.30 V$
$A (-) | A_{(0.1)}^{3 +} | | B_{(0.01 m)}^{2 +} | B (+)$ Given $E_{A / A^{3 +}}^{o} = 0.75 V$ ; $E_{B / B^{2 +}}^{o} = 0.45 V$
$E_{c e l l} = E_{c a t h o d e} - E_{a n o d e}$
$= 0.75 - 0.45$
$= 0.30 V$

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Similar questions

Q. Answer the following questions:

a) Calculate the EMF of the cell for the reaction

M g_{(s)} + 2 A g_{(a q)}^{+} \to M g_{(a q)}^{2 +} + 2 A g_{(s)}

.
Given :

E_{M g^{2 +} / M g}^{0} = - 2.37 V

E_{A g^{+} / A g}^{0} = 0.80 V

[M g^{2 +}] = 0.001 M; [A g^{+}] = 0.0001 M

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A cell is prepared by dipping a chromium rod in 1M Cr₂(SO₄)₃ solution and an iron rod in 1M FeSO₄ solution. The standard reduction potentials of Chromium and Iron electrodes are -0.75 V and -0.45 V respectively. What will be the standard EMF of the cell?

Q. The emf of the cell is given as:

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[E^{o}

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Q. The following reaction takes place at

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in the respective half-cells, the cell EMF is

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Calculate EMF of the cell:A|A+3(0.1 M)||B+2(0.01 M)| BGiven: EoA/A+3=0.75V, EoB/B+2=0.45 V

The correct option is A 0.30VA(−)|A3+(0.1)||B2+(0.01m)|B(+) Given EoA/A3+=0.75V; EoB/B2+=0.45VEcell=Ecathode−Eanode =0.75−0.45 =0.30V

Calculate EMF of the cell:

$A | A^{+ 3} (0.1 M) | | B^{+ 2} (0.01 M) | B$
Given: $E_{A / A^{+ 3}}^{o} = 0.75 V$ , $E_{B / B^{+ 2}}^{o} = 0.45 V$

The correct option is A $0.30 V$
$A (-) | A_{(0.1)}^{3 +} | | B_{(0.01 m)}^{2 +} | B (+)$ Given $E_{A / A^{3 +}}^{o} = 0.75 V$ ; $E_{B / B^{2 +}}^{o} = 0.45 V$
$E_{c e l l} = E_{c a t h o d e} - E_{a n o d e}$
$= 0.75 - 0.45$
$= 0.30 V$