Solubility Equilibria of Sparingly Soluble Salts
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CHXI07:EQUILIBRIUM

314909 Assertion :
If \(\mathrm{K}_{\mathrm{sp}} < \) ionic product, precipitate is formed.
Reason :
Solubility product \(\left(\mathrm{K}_{\mathrm{sp}}\right)\) is the highest limit of ionic product of the electrolyte in solutions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI07:EQUILIBRIUM

314910 Solid \(\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}\) is gradually disolved in a \({\text{1}}.{\text{0}} \times {\text{1}}{{\text{0}}^{{\text{ - 4}}}}{\text{ M}}{\mkern 1mu} {\mkern 1mu} {\text{N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\) solution. At what concentrations of \(\mathrm{Ba}^{2+}\), will a precipitate begin to form?
\(\left( {{{\text{K}}_{{\text{sp}}}}{\text{ of BaC}}{{\text{O}}_{\text{3}}}{\text{ = 5}}{\text{.1}} \times {\text{1}}{{\text{0}}^{{\text{ - 9}}}}} \right)\)

1 \(4.1 \times {10^{ - 5}}{\text{ M}}\)
2 \(5.1 \times {10^{ - 5}}{\text{ M}}\)
3 \(8.1 \times {10^{ - 8}}{\text{ M}}\)
4 \(8.1 \times {10^{ - 7}}{\text{ M}}\)
CHXI07:EQUILIBRIUM

314911 How many grams of \(\mathrm{CaC}_{2} \mathrm{O}_{4}\) will dissolve in distilled water to make one litre of saturated solution \(\left(\mathrm{K}_{\mathrm{sp}}=2.5 \times 10^{-9}\right.\) and its molecular mass is 128 )

1 0.0064 g
2 0.0128 g
3 0.0032 g
4 0.0640 g
CHXI07:EQUILIBRIUM

314912 Which of the following is most soluble?

1 \({\text{B}}{{\text{i}}_{\text{2}}}{{\text{S}}_{\text{3}}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 1}} \times {\text{1}}{{\text{0}}^{{\text{ - 17}}}}} \right)\)
2 \({\text{MnS}}{\mkern 1mu} {\mkern 1mu} \left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 7 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 16}}}}} \right)\)
3 \({\text{CuS}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 8}} \times {\text{1}}{{\text{0}}^{{\text{ - 37}}}}} \right)\)
4 \({\text{A}}{{\text{g}}_{\text{2}}}{\text{S}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 6 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 51}}}}} \right)\)
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CHXI07:EQUILIBRIUM

314909 Assertion :
If \(\mathrm{K}_{\mathrm{sp}} < \) ionic product, precipitate is formed.
Reason :
Solubility product \(\left(\mathrm{K}_{\mathrm{sp}}\right)\) is the highest limit of ionic product of the electrolyte in solutions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI07:EQUILIBRIUM

314910 Solid \(\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}\) is gradually disolved in a \({\text{1}}.{\text{0}} \times {\text{1}}{{\text{0}}^{{\text{ - 4}}}}{\text{ M}}{\mkern 1mu} {\mkern 1mu} {\text{N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\) solution. At what concentrations of \(\mathrm{Ba}^{2+}\), will a precipitate begin to form?
\(\left( {{{\text{K}}_{{\text{sp}}}}{\text{ of BaC}}{{\text{O}}_{\text{3}}}{\text{ = 5}}{\text{.1}} \times {\text{1}}{{\text{0}}^{{\text{ - 9}}}}} \right)\)

1 \(4.1 \times {10^{ - 5}}{\text{ M}}\)
2 \(5.1 \times {10^{ - 5}}{\text{ M}}\)
3 \(8.1 \times {10^{ - 8}}{\text{ M}}\)
4 \(8.1 \times {10^{ - 7}}{\text{ M}}\)
CHXI07:EQUILIBRIUM

314911 How many grams of \(\mathrm{CaC}_{2} \mathrm{O}_{4}\) will dissolve in distilled water to make one litre of saturated solution \(\left(\mathrm{K}_{\mathrm{sp}}=2.5 \times 10^{-9}\right.\) and its molecular mass is 128 )

1 0.0064 g
2 0.0128 g
3 0.0032 g
4 0.0640 g
CHXI07:EQUILIBRIUM

314912 Which of the following is most soluble?

1 \({\text{B}}{{\text{i}}_{\text{2}}}{{\text{S}}_{\text{3}}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 1}} \times {\text{1}}{{\text{0}}^{{\text{ - 17}}}}} \right)\)
2 \({\text{MnS}}{\mkern 1mu} {\mkern 1mu} \left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 7 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 16}}}}} \right)\)
3 \({\text{CuS}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 8}} \times {\text{1}}{{\text{0}}^{{\text{ - 37}}}}} \right)\)
4 \({\text{A}}{{\text{g}}_{\text{2}}}{\text{S}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 6 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 51}}}}} \right)\)
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CHXI07:EQUILIBRIUM

314909 Assertion :
If \(\mathrm{K}_{\mathrm{sp}} < \) ionic product, precipitate is formed.
Reason :
Solubility product \(\left(\mathrm{K}_{\mathrm{sp}}\right)\) is the highest limit of ionic product of the electrolyte in solutions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI07:EQUILIBRIUM

314910 Solid \(\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}\) is gradually disolved in a \({\text{1}}.{\text{0}} \times {\text{1}}{{\text{0}}^{{\text{ - 4}}}}{\text{ M}}{\mkern 1mu} {\mkern 1mu} {\text{N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\) solution. At what concentrations of \(\mathrm{Ba}^{2+}\), will a precipitate begin to form?
\(\left( {{{\text{K}}_{{\text{sp}}}}{\text{ of BaC}}{{\text{O}}_{\text{3}}}{\text{ = 5}}{\text{.1}} \times {\text{1}}{{\text{0}}^{{\text{ - 9}}}}} \right)\)

1 \(4.1 \times {10^{ - 5}}{\text{ M}}\)
2 \(5.1 \times {10^{ - 5}}{\text{ M}}\)
3 \(8.1 \times {10^{ - 8}}{\text{ M}}\)
4 \(8.1 \times {10^{ - 7}}{\text{ M}}\)
CHXI07:EQUILIBRIUM

314911 How many grams of \(\mathrm{CaC}_{2} \mathrm{O}_{4}\) will dissolve in distilled water to make one litre of saturated solution \(\left(\mathrm{K}_{\mathrm{sp}}=2.5 \times 10^{-9}\right.\) and its molecular mass is 128 )

1 0.0064 g
2 0.0128 g
3 0.0032 g
4 0.0640 g
CHXI07:EQUILIBRIUM

314912 Which of the following is most soluble?

1 \({\text{B}}{{\text{i}}_{\text{2}}}{{\text{S}}_{\text{3}}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 1}} \times {\text{1}}{{\text{0}}^{{\text{ - 17}}}}} \right)\)
2 \({\text{MnS}}{\mkern 1mu} {\mkern 1mu} \left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 7 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 16}}}}} \right)\)
3 \({\text{CuS}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 8}} \times {\text{1}}{{\text{0}}^{{\text{ - 37}}}}} \right)\)
4 \({\text{A}}{{\text{g}}_{\text{2}}}{\text{S}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 6 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 51}}}}} \right)\)
NEET DIGITAL LIBRARY
CHXI07:EQUILIBRIUM

314909 Assertion :
If \(\mathrm{K}_{\mathrm{sp}} < \) ionic product, precipitate is formed.
Reason :
Solubility product \(\left(\mathrm{K}_{\mathrm{sp}}\right)\) is the highest limit of ionic product of the electrolyte in solutions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI07:EQUILIBRIUM

314910 Solid \(\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}\) is gradually disolved in a \({\text{1}}.{\text{0}} \times {\text{1}}{{\text{0}}^{{\text{ - 4}}}}{\text{ M}}{\mkern 1mu} {\mkern 1mu} {\text{N}}{{\text{a}}_{\text{2}}}{\text{C}}{{\text{O}}_{\text{3}}}\) solution. At what concentrations of \(\mathrm{Ba}^{2+}\), will a precipitate begin to form?
\(\left( {{{\text{K}}_{{\text{sp}}}}{\text{ of BaC}}{{\text{O}}_{\text{3}}}{\text{ = 5}}{\text{.1}} \times {\text{1}}{{\text{0}}^{{\text{ - 9}}}}} \right)\)

1 \(4.1 \times {10^{ - 5}}{\text{ M}}\)
2 \(5.1 \times {10^{ - 5}}{\text{ M}}\)
3 \(8.1 \times {10^{ - 8}}{\text{ M}}\)
4 \(8.1 \times {10^{ - 7}}{\text{ M}}\)
CHXI07:EQUILIBRIUM

314911 How many grams of \(\mathrm{CaC}_{2} \mathrm{O}_{4}\) will dissolve in distilled water to make one litre of saturated solution \(\left(\mathrm{K}_{\mathrm{sp}}=2.5 \times 10^{-9}\right.\) and its molecular mass is 128 )

1 0.0064 g
2 0.0128 g
3 0.0032 g
4 0.0640 g
CHXI07:EQUILIBRIUM

314912 Which of the following is most soluble?

1 \({\text{B}}{{\text{i}}_{\text{2}}}{{\text{S}}_{\text{3}}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 1}} \times {\text{1}}{{\text{0}}^{{\text{ - 17}}}}} \right)\)
2 \({\text{MnS}}{\mkern 1mu} {\mkern 1mu} \left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 7 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 16}}}}} \right)\)
3 \({\text{CuS}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 8}} \times {\text{1}}{{\text{0}}^{{\text{ - 37}}}}} \right)\)
4 \({\text{A}}{{\text{g}}_{\text{2}}}{\text{S}}\left( {{{\text{K}}_{{\text{sp}}}}{\text{ = 6 }} \times {\text{ 1}}{{\text{0}}^{{\text{ - 51}}}}} \right)\)
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