01. Solubility and Solubility Product Constant
Ionic Equilibrium

229438 The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively:

1 $\mathrm{X}_2 \mathrm{Y}, 2 \times 10^{-9} \mathrm{M}^3$
2 $\mathrm{XY}, 2 \times 10^{-6} \mathrm{M}^3$
3 $\mathrm{XY}_2, 1 \times 10^{-9} \mathrm{M}^3$
4 $\mathrm{XY}_2, 4 \times 10^{-9} \mathrm{M}^3$
Ionic Equilibrium

229407 Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use?
$\begin{aligned}
& K_{\mathrm{sp}}(\mathrm{AgCl})=1.8 \times 10^{-10} \\
& K_{\mathrm{sp}}(\mathrm{AgBr})=5.0 \times 10^{-13} \\
& K_{\mathrm{sp}}\left(\mathrm{Ag}_2 \mathrm{CrO}_4\right)=2.4 \times 10^{-12}
\end{aligned}$

1 $\mathrm{AgCl}$
2 $\mathrm{AgBr}$
3 $\mathrm{Ag}_2 \mathrm{CrO}_4$
4 None of these
Ionic Equilibrium

229408 The value of $\Lambda_{\mathrm{eq}}^{\infty}$ for $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively, $149.74,248.1$ and $126.4 \mathrm{ohm}^{-1}$ $\mathrm{cm}^2 \mathrm{eq}^{-1}$. The value of $\Lambda_{\mathrm{eq}}^{\infty}$ of $\mathrm{NH}_4 \mathrm{OH}$ is... $\Omega \mathrm{cm}^2$ $\mathrm{eq}^{-1}$.

1 371.44
2 271.44
3 71.44
4 Cannot be predicted from given data
Ionic Equilibrium

229409 If $\mathrm{x}$ mol $\mathrm{L}^{-1}$ is the solubility of $\mathrm{KA} l\left(\mathrm{SO}_4\right)_2$ then $\mathrm{K}_{\mathrm{sp}}$ is equal to-

1 $\mathrm{x}^3$
2 $4 x^4$
3 $\mathrm{x}^4$
4 $4 \mathrm{x}^3$
Ionic Equilibrium

229411 Ionic product of water at $310 \mathrm{~K}$ is $2.7 \times 10^{-14}$. What is the $\mathrm{pH}$ of neutral water at this temperature?

1 7.00
2 5.98
3 6.78
4 4.58
Ionic Equilibrium

229438 The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively:

1 $\mathrm{X}_2 \mathrm{Y}, 2 \times 10^{-9} \mathrm{M}^3$
2 $\mathrm{XY}, 2 \times 10^{-6} \mathrm{M}^3$
3 $\mathrm{XY}_2, 1 \times 10^{-9} \mathrm{M}^3$
4 $\mathrm{XY}_2, 4 \times 10^{-9} \mathrm{M}^3$
Ionic Equilibrium

229407 Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use?
$\begin{aligned}
& K_{\mathrm{sp}}(\mathrm{AgCl})=1.8 \times 10^{-10} \\
& K_{\mathrm{sp}}(\mathrm{AgBr})=5.0 \times 10^{-13} \\
& K_{\mathrm{sp}}\left(\mathrm{Ag}_2 \mathrm{CrO}_4\right)=2.4 \times 10^{-12}
\end{aligned}$

1 $\mathrm{AgCl}$
2 $\mathrm{AgBr}$
3 $\mathrm{Ag}_2 \mathrm{CrO}_4$
4 None of these
Ionic Equilibrium

229408 The value of $\Lambda_{\mathrm{eq}}^{\infty}$ for $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively, $149.74,248.1$ and $126.4 \mathrm{ohm}^{-1}$ $\mathrm{cm}^2 \mathrm{eq}^{-1}$. The value of $\Lambda_{\mathrm{eq}}^{\infty}$ of $\mathrm{NH}_4 \mathrm{OH}$ is... $\Omega \mathrm{cm}^2$ $\mathrm{eq}^{-1}$.

1 371.44
2 271.44
3 71.44
4 Cannot be predicted from given data
Ionic Equilibrium

229409 If $\mathrm{x}$ mol $\mathrm{L}^{-1}$ is the solubility of $\mathrm{KA} l\left(\mathrm{SO}_4\right)_2$ then $\mathrm{K}_{\mathrm{sp}}$ is equal to-

1 $\mathrm{x}^3$
2 $4 x^4$
3 $\mathrm{x}^4$
4 $4 \mathrm{x}^3$
Ionic Equilibrium

229411 Ionic product of water at $310 \mathrm{~K}$ is $2.7 \times 10^{-14}$. What is the $\mathrm{pH}$ of neutral water at this temperature?

1 7.00
2 5.98
3 6.78
4 4.58
Ionic Equilibrium

229438 The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively:

1 $\mathrm{X}_2 \mathrm{Y}, 2 \times 10^{-9} \mathrm{M}^3$
2 $\mathrm{XY}, 2 \times 10^{-6} \mathrm{M}^3$
3 $\mathrm{XY}_2, 1 \times 10^{-9} \mathrm{M}^3$
4 $\mathrm{XY}_2, 4 \times 10^{-9} \mathrm{M}^3$
Ionic Equilibrium

229407 Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use?
$\begin{aligned}
& K_{\mathrm{sp}}(\mathrm{AgCl})=1.8 \times 10^{-10} \\
& K_{\mathrm{sp}}(\mathrm{AgBr})=5.0 \times 10^{-13} \\
& K_{\mathrm{sp}}\left(\mathrm{Ag}_2 \mathrm{CrO}_4\right)=2.4 \times 10^{-12}
\end{aligned}$

1 $\mathrm{AgCl}$
2 $\mathrm{AgBr}$
3 $\mathrm{Ag}_2 \mathrm{CrO}_4$
4 None of these
Ionic Equilibrium

229408 The value of $\Lambda_{\mathrm{eq}}^{\infty}$ for $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively, $149.74,248.1$ and $126.4 \mathrm{ohm}^{-1}$ $\mathrm{cm}^2 \mathrm{eq}^{-1}$. The value of $\Lambda_{\mathrm{eq}}^{\infty}$ of $\mathrm{NH}_4 \mathrm{OH}$ is... $\Omega \mathrm{cm}^2$ $\mathrm{eq}^{-1}$.

1 371.44
2 271.44
3 71.44
4 Cannot be predicted from given data
Ionic Equilibrium

229409 If $\mathrm{x}$ mol $\mathrm{L}^{-1}$ is the solubility of $\mathrm{KA} l\left(\mathrm{SO}_4\right)_2$ then $\mathrm{K}_{\mathrm{sp}}$ is equal to-

1 $\mathrm{x}^3$
2 $4 x^4$
3 $\mathrm{x}^4$
4 $4 \mathrm{x}^3$
Ionic Equilibrium

229411 Ionic product of water at $310 \mathrm{~K}$ is $2.7 \times 10^{-14}$. What is the $\mathrm{pH}$ of neutral water at this temperature?

1 7.00
2 5.98
3 6.78
4 4.58
Ionic Equilibrium

229438 The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively:

1 $\mathrm{X}_2 \mathrm{Y}, 2 \times 10^{-9} \mathrm{M}^3$
2 $\mathrm{XY}, 2 \times 10^{-6} \mathrm{M}^3$
3 $\mathrm{XY}_2, 1 \times 10^{-9} \mathrm{M}^3$
4 $\mathrm{XY}_2, 4 \times 10^{-9} \mathrm{M}^3$
Ionic Equilibrium

229407 Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use?
$\begin{aligned}
& K_{\mathrm{sp}}(\mathrm{AgCl})=1.8 \times 10^{-10} \\
& K_{\mathrm{sp}}(\mathrm{AgBr})=5.0 \times 10^{-13} \\
& K_{\mathrm{sp}}\left(\mathrm{Ag}_2 \mathrm{CrO}_4\right)=2.4 \times 10^{-12}
\end{aligned}$

1 $\mathrm{AgCl}$
2 $\mathrm{AgBr}$
3 $\mathrm{Ag}_2 \mathrm{CrO}_4$
4 None of these
Ionic Equilibrium

229408 The value of $\Lambda_{\mathrm{eq}}^{\infty}$ for $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively, $149.74,248.1$ and $126.4 \mathrm{ohm}^{-1}$ $\mathrm{cm}^2 \mathrm{eq}^{-1}$. The value of $\Lambda_{\mathrm{eq}}^{\infty}$ of $\mathrm{NH}_4 \mathrm{OH}$ is... $\Omega \mathrm{cm}^2$ $\mathrm{eq}^{-1}$.

1 371.44
2 271.44
3 71.44
4 Cannot be predicted from given data
Ionic Equilibrium

229409 If $\mathrm{x}$ mol $\mathrm{L}^{-1}$ is the solubility of $\mathrm{KA} l\left(\mathrm{SO}_4\right)_2$ then $\mathrm{K}_{\mathrm{sp}}$ is equal to-

1 $\mathrm{x}^3$
2 $4 x^4$
3 $\mathrm{x}^4$
4 $4 \mathrm{x}^3$
Ionic Equilibrium

229411 Ionic product of water at $310 \mathrm{~K}$ is $2.7 \times 10^{-14}$. What is the $\mathrm{pH}$ of neutral water at this temperature?

1 7.00
2 5.98
3 6.78
4 4.58
Ionic Equilibrium

229438 The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively:

1 $\mathrm{X}_2 \mathrm{Y}, 2 \times 10^{-9} \mathrm{M}^3$
2 $\mathrm{XY}, 2 \times 10^{-6} \mathrm{M}^3$
3 $\mathrm{XY}_2, 1 \times 10^{-9} \mathrm{M}^3$
4 $\mathrm{XY}_2, 4 \times 10^{-9} \mathrm{M}^3$
Ionic Equilibrium

229407 Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would they use?
$\begin{aligned}
& K_{\mathrm{sp}}(\mathrm{AgCl})=1.8 \times 10^{-10} \\
& K_{\mathrm{sp}}(\mathrm{AgBr})=5.0 \times 10^{-13} \\
& K_{\mathrm{sp}}\left(\mathrm{Ag}_2 \mathrm{CrO}_4\right)=2.4 \times 10^{-12}
\end{aligned}$

1 $\mathrm{AgCl}$
2 $\mathrm{AgBr}$
3 $\mathrm{Ag}_2 \mathrm{CrO}_4$
4 None of these
Ionic Equilibrium

229408 The value of $\Lambda_{\mathrm{eq}}^{\infty}$ for $\mathrm{NH}_4 \mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively, $149.74,248.1$ and $126.4 \mathrm{ohm}^{-1}$ $\mathrm{cm}^2 \mathrm{eq}^{-1}$. The value of $\Lambda_{\mathrm{eq}}^{\infty}$ of $\mathrm{NH}_4 \mathrm{OH}$ is... $\Omega \mathrm{cm}^2$ $\mathrm{eq}^{-1}$.

1 371.44
2 271.44
3 71.44
4 Cannot be predicted from given data
Ionic Equilibrium

229409 If $\mathrm{x}$ mol $\mathrm{L}^{-1}$ is the solubility of $\mathrm{KA} l\left(\mathrm{SO}_4\right)_2$ then $\mathrm{K}_{\mathrm{sp}}$ is equal to-

1 $\mathrm{x}^3$
2 $4 x^4$
3 $\mathrm{x}^4$
4 $4 \mathrm{x}^3$
Ionic Equilibrium

229411 Ionic product of water at $310 \mathrm{~K}$ is $2.7 \times 10^{-14}$. What is the $\mathrm{pH}$ of neutral water at this temperature?

1 7.00
2 5.98
3 6.78
4 4.58