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Standard XII

Chemistry

Nernst Equation

The standard ...

Question

The standard reduction potential of a silver chloride electrode (metal-sparingly soluble salt electrode) is 0.209 V and for silver electrode is 0.80 V. If the moles of AgCl that can dissolve in 10 L of a 0.01 M Nacl solution is represented as $10^{- z}$ then find the value of Z.

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Solution

$E_{C l^{-}}^{\circ} / A g C l / A g = E_{A g / A g}^{\circ} + \frac{0.0591}{1} l o g K_{s p}$
$0.209 = 0.80 + \frac{0.0591}{1} l o g K_{s p}$
$K_{s p} = 10^{- 10}$ ; Let solubility of $A g C l$ in $0.01 M$ solution is $x$
$10^{- 10} = x (x + 0.01)$
$x = 10^{- 8}$
$∴$ Moles of $A g C l$ dissolved in
$10 L = 10^{- 8} \times 10 = 10^{- 7}$

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The standard reduction potential of a silver chloride electrode (metal-sparingly soluble salt electrode) is 0.209 V and for silver electrode is 0.80 V. If the moles of AgCl that can dissolve in 10 L of a 0.01 M Nacl solution is represented as 10−z then find the value of Z.

E∘Cl−/AgCl/Ag=E∘Ag/Ag+0.05911logKsp 0.209=0.80+0.05911logKsp Ksp=10−10; Let solubility of AgCl in 0.01M solution is x10−10=x(x+0.01) x=10−8 ∴ Moles of AgCl dissolved in 10L=10−8×10=10−7

The standard reduction potential of a silver chloride electrode (metal-sparingly soluble salt electrode) is 0.209 V and for silver electrode is 0.80 V. If the moles of AgCl that can dissolve in 10 L of a 0.01 M Nacl solution is represented as $10^{- z}$ then find the value of Z.