Related Questions

    1.

    Which of the following is least soluble?

    A

    MnS(Ksp=7imes1016){\rm{MnS}}\left( {{K_{sp}} = 7 imes {{10}^{ - 16}}} \right)

    B

    FeS(Ksp=7imes1019){\rm{FeS}}\left( {{K_{sp}} = 7 imes {{10}^{ - 19}}} \right)

    C

    PtS(Ksp=8imes1073){\rm{PtS}}\left( {{K_{sp}} = 8 imes {{10}^{ - 73}}} \right)

    D

    NiS(Ksp=3imes1012){\rm{NiS}}\left( {{K_{sp}} = 3 imes {{10}^{ - 12}}} \right)

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    5.

    MY and NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}}, two nearly insoluble salts, have the same Ksp{{\rm{K}}_{{\rm{sp}}}} values of 6.2imes10136.2 imes {\rm{1}}{{\rm{0}}^{ - 13}} at room temperature. Which statement would be true in regard to MY and NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}}?

    A

    The molar solubilities of MY and NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}} in water are identical.

    B

    The molar solubility of MY in water is less than that of NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}}.

    C

    The salts MY and NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}} are more soluble in 0.5 M KY than in pure water.

    D

    The addition of the salt of KY to solution of MY and NY3{\rm{N}}{{\rm{Y}}_{\rm{3}}} will have no effect on their solubilities.

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    10.

    The molar solubility of Agl(Ksp=8.3imes1017)Agl\left( {{K_{sp}} = 8.3 imes {{10}^{ - 17}}} \right) in 0.1 M KI solution will be

    A

    8.3imes1016M8.3 imes {10^{ - 16}}M

    B

    8.3imes108M8.3 imes {10^{ - 8}}M

    C

    8.3imes1015M8.3 imes {10^{ - 15}}M

    D

    8.3imes1017M8.3 imes {10^{ - 17}}M

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