229386 On adding $0.1 \mathrm{M}$ solution each of $\left[\mathrm{Ag}^{+}\right],\left[\mathrm{Ba}^{2+}\right]$, $\left[\mathrm{Ca}^{2+}\right]$ in a $\mathrm{Na}_2 \mathrm{SO}_4$ solution, species first precipitated is $\left[\mathrm{K}_{\mathrm{sp}} \mathrm{BaSO}_4^{-5}=10^{-11}, \mathrm{~K}_{\mathrm{sp}} \mathrm{CaSO}_4=\mathbf{1 0}^{-6}, \mathrm{~K}_{\mathrm{sp}} \mathrm{Ag}_2 \mathrm{SO}_4\right.$
229389 A saturated solution of $\mathrm{H}_2 \mathrm{~S}$ in $0.1 \mathrm{M} \mathrm{HCl}$ at $25^{\circ} \mathrm{C}$ contains $\mathrm{S}^{2-}$ ion concentration of $10^{-23} \mathrm{~mol}$ $L^{-1}$. The solubility product of some sulphides are $\mathrm{CuS}=10^{-44}, \mathrm{FeS}=10^{-14}, \mathrm{MnS}=10^{-15}, \mathrm{CdS}=$ $10^{-25}$. If $0.01 \mathrm{M}$ solution of these salts in $1 \mathrm{M}$ $\mathrm{HCl}$ are saturated with $\mathrm{H}_2 \mathrm{~S}$, which of these will be precipitated?
229386 On adding $0.1 \mathrm{M}$ solution each of $\left[\mathrm{Ag}^{+}\right],\left[\mathrm{Ba}^{2+}\right]$, $\left[\mathrm{Ca}^{2+}\right]$ in a $\mathrm{Na}_2 \mathrm{SO}_4$ solution, species first precipitated is $\left[\mathrm{K}_{\mathrm{sp}} \mathrm{BaSO}_4^{-5}=10^{-11}, \mathrm{~K}_{\mathrm{sp}} \mathrm{CaSO}_4=\mathbf{1 0}^{-6}, \mathrm{~K}_{\mathrm{sp}} \mathrm{Ag}_2 \mathrm{SO}_4\right.$
229389 A saturated solution of $\mathrm{H}_2 \mathrm{~S}$ in $0.1 \mathrm{M} \mathrm{HCl}$ at $25^{\circ} \mathrm{C}$ contains $\mathrm{S}^{2-}$ ion concentration of $10^{-23} \mathrm{~mol}$ $L^{-1}$. The solubility product of some sulphides are $\mathrm{CuS}=10^{-44}, \mathrm{FeS}=10^{-14}, \mathrm{MnS}=10^{-15}, \mathrm{CdS}=$ $10^{-25}$. If $0.01 \mathrm{M}$ solution of these salts in $1 \mathrm{M}$ $\mathrm{HCl}$ are saturated with $\mathrm{H}_2 \mathrm{~S}$, which of these will be precipitated?
229386 On adding $0.1 \mathrm{M}$ solution each of $\left[\mathrm{Ag}^{+}\right],\left[\mathrm{Ba}^{2+}\right]$, $\left[\mathrm{Ca}^{2+}\right]$ in a $\mathrm{Na}_2 \mathrm{SO}_4$ solution, species first precipitated is $\left[\mathrm{K}_{\mathrm{sp}} \mathrm{BaSO}_4^{-5}=10^{-11}, \mathrm{~K}_{\mathrm{sp}} \mathrm{CaSO}_4=\mathbf{1 0}^{-6}, \mathrm{~K}_{\mathrm{sp}} \mathrm{Ag}_2 \mathrm{SO}_4\right.$
229389 A saturated solution of $\mathrm{H}_2 \mathrm{~S}$ in $0.1 \mathrm{M} \mathrm{HCl}$ at $25^{\circ} \mathrm{C}$ contains $\mathrm{S}^{2-}$ ion concentration of $10^{-23} \mathrm{~mol}$ $L^{-1}$. The solubility product of some sulphides are $\mathrm{CuS}=10^{-44}, \mathrm{FeS}=10^{-14}, \mathrm{MnS}=10^{-15}, \mathrm{CdS}=$ $10^{-25}$. If $0.01 \mathrm{M}$ solution of these salts in $1 \mathrm{M}$ $\mathrm{HCl}$ are saturated with $\mathrm{H}_2 \mathrm{~S}$, which of these will be precipitated?
229386 On adding $0.1 \mathrm{M}$ solution each of $\left[\mathrm{Ag}^{+}\right],\left[\mathrm{Ba}^{2+}\right]$, $\left[\mathrm{Ca}^{2+}\right]$ in a $\mathrm{Na}_2 \mathrm{SO}_4$ solution, species first precipitated is $\left[\mathrm{K}_{\mathrm{sp}} \mathrm{BaSO}_4^{-5}=10^{-11}, \mathrm{~K}_{\mathrm{sp}} \mathrm{CaSO}_4=\mathbf{1 0}^{-6}, \mathrm{~K}_{\mathrm{sp}} \mathrm{Ag}_2 \mathrm{SO}_4\right.$
229389 A saturated solution of $\mathrm{H}_2 \mathrm{~S}$ in $0.1 \mathrm{M} \mathrm{HCl}$ at $25^{\circ} \mathrm{C}$ contains $\mathrm{S}^{2-}$ ion concentration of $10^{-23} \mathrm{~mol}$ $L^{-1}$. The solubility product of some sulphides are $\mathrm{CuS}=10^{-44}, \mathrm{FeS}=10^{-14}, \mathrm{MnS}=10^{-15}, \mathrm{CdS}=$ $10^{-25}$. If $0.01 \mathrm{M}$ solution of these salts in $1 \mathrm{M}$ $\mathrm{HCl}$ are saturated with $\mathrm{H}_2 \mathrm{~S}$, which of these will be precipitated?