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JIPMER 2011
Exam
JIPMER
Year
2011
Subject
Chemistry
Chapter
Ionic Equilibrium

JIPMER 2011 · Chemistry · Ionic Equilibrium

The expression for the solubility product of Ag_2 CO_3 will be

The expression for the solubility product of Ag2CO3\mathrm{Ag}_2 \mathrm{CO}_3 will be

Options

  1. AKsp=s2K_{\mathrm{sp}}=s^2
  2. BKsp=4s3K_{\mathrm{sp}}=4 s^3
  3. CKsp=27s4K_{\mathrm{sp}}=27 s^4
  4. DKsp=sK_{\mathrm{sp}}=s

Correct answer

B. Ksp=4s3K_{\mathrm{sp}}=4 s^3

Step-by-step solution

Ag2CO3(s)⇌2Ag+2s+CO32−sKsp=[Ag+]2[CO32−]=(2s)2⋅s∴Ksp=4s3\begin{aligned} & \mathrm{Ag}_2 \mathrm{CO}_3(s) \rightleftharpoons \underset{2 s}{2 \mathrm{Ag}^{+}}+\underset{s}{\mathrm{CO}_3^{2-}} \\ & K_{\mathrm{sp}}=\left[\mathrm{Ag}^{+}\right]^2\left[\mathrm{CO}_3^{2-}\right]=(2 s)^2 \cdot s \\ & \therefore \quad K_{\mathrm{sp}}=4 s^3 \\ & \end{aligned}
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