Home
Class 11
CHEMISTRY
A solution contain 0.1 MZn^(2+) and 0.01...

A solution contain `0.1 MZn^(2+)` and `0.01 M Cu^(+2)` ins. This solution is saturated by passing `H_(2)S` concentration is `8.1' 10^(-21) M` . Ksp for `ZnS` and `CuS` are `3'10^(-22)` and` 8'10^(-36)` respectively. Which of the following will occur in solution.

A

CuS gets precipitated.

B

Both CuS and ZnS get precipitated

C

neither CuS nor ZnS precipitated

D

ZnS get precipitated

Text Solution

Verified by Experts

The correct Answer is:
A
`K_(sp)` of `CuS lt K_(sp)` of `ZnS`
so `CuS` get precipitated first
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    NARAYNA|Exercise Level-IV|22 Videos

  • IONIC EQUILIBRIUM

    NARAYNA|Exercise Level-I (H.W)|50 Videos

  • IONIC EQUILIBRIUM

    NARAYNA|Exercise Level-II|48 Videos

  • HYDROGEN & ITS COMPOUNDS

    NARAYNA|Exercise LEVEL-4|21 Videos

  • PERIODIC TABLE

    NARAYNA|Exercise All Questions|568 Videos

Similar Questions

Explore conceptually related problems

A solution containing 0.1 M Zn^(2+) and 0.01 M Cu^(2+) is saturated with H_2S . The S^(2-) concentration is 8.1 xx 10^(-31) M. Will ZnS or CuS precipitate ? K_(sp)(ZnS)=3.0xx10^(-23) and K_(sp)(CuS)=8.0xx10^(-34) .

H_(2)S is passed into one dm^(3) of a solution containing 0.1 mole of Zn^(2+) and 0.1 mole of the Cu^(2+) till the sulphide ion concentration reaches 8.1 xx 10^(-10) moles. Which one of the following statements is true? [K_(sp) of ZnS and CuS are 3 xx 10^(-22) and 8 xx 10^(-36) respectively]

The OH^- concentration of a solution is 1.0 xx 10^(-10) M. The solution is

A solution contains 0.1M H_(2)S and 0.3M HCI . Calculate the conc.of S^(2-) and HS^(-) ions in solution. Given K_(a_(1)) and K_(a_(2)) for H_(2)S are 10^(-7) and 1.3xx10^(-7) respectively.

A solution containing both Zn^(2+) and Mn^(2+) ions at a concentration of 0.01M is saturated with H_(2)S . What is pH at which MnS will form a ppt ? Under these conditions what will be the concentration of Zn^(2+) ions remaining in the solution ? Given K_(sp) of ZnS is 10^(-22) and K_(sp) of MnS is 5.6 xx 10^(-16), K_(1) xx K_(2) of H_(2)S = 1.10 xx 10^(-21) .

NARAYNA-IONIC EQUILIBRIUM-Level-III
  1. At 298 K the Ksp of M(2)SO(4) is 3.2 10^(-5). The max. concentration o...

    Text Solution

    |

  2. When equal volumes of following solution are mixed, precipitation of A...

    Text Solution

    |

  3. A solution contain 0.1 MZn^(2+) and 0.01 M Cu^(+2) ins. This solution ...

    Text Solution

    |

  4. The dissoctiation of water of 25^(@)C is 1.9 xx 10^(-7)% and the densi...

    Text Solution

    |

  5. If pK(b) for floride at 25^(0)C is 11, the ionisation constant of hydr...

    Text Solution

    |

  6. The solubility of C(6)H(5)NH(3^(+))Cl^(-) would be highest among the f...

    Text Solution

    |

  7. The ionization constant of aniline and acetic acid and water at 25^(0)...

    Text Solution

    |

  8. A weak acid HX has the dissociation constant 1 xx 10^(-5)M. It forms a...

    Text Solution

    |

  9. In the equilibrium A^(-)+H(2)OhArrHA+OH^(-)(K(a)=1.0xx10^(-5)). The de...

    Text Solution

    |

  10. The pK(a) of HCN is 9.30. The pH of a solutin prepared by mixing 2.5 m...

    Text Solution

    |

  11. The K(b) for AgCl is 2.8 xx 10^(-10) at a given temperature. The solub...

    Text Solution

    |

  12. The molar solubility of AgCl in 1.8 M AgNO(3) solution is (K(sp) of Ag...

    Text Solution

    |

  13. 0.1 mole of CH(3)CH (K(b) = 5 xx 10^(-4)) is mixed with 0.08 mole of H...

    Text Solution

    |

  14. K(sp) of a salt ZnCl(2) is 3.2 xx 10^(-8) its P^(H) is

    Text Solution

    |

  15. In a saturated solution of the spatingly soluble strong electrolyte Ag...

    Text Solution

    |

  16. pH of saturated solution of Ba(OH)(2) is 12. The value of solubility p...

    Text Solution

    |

  17. The wight of HCl present in one litre of solution if pH of the soluti...

    Text Solution

    |

  18. A sample of AgCI was treated with 5.00mL of 1.5M Na(2)CO(3) solubility...

    Text Solution

    |

  19. The sulphide ion concentration [S^(2-)] in saturated H(2)S solution is...

    Text Solution

    |

  20. What is the pH of 0.01 M glycine solution? For glycine, K(a(1))=4.5xx1...

    Text Solution

    |