Home
Class 11
CHEMISTRY
An aqueous solution contains both Al^(3+...

An aqueous solution contains both `Al^(3+)` & `Zn^(2+)`.To this solution `NH_(4)OH` is added in excess.

A

only `AI(OH)_(3)` will be precipitated

B

only `Zn(OH)_(2)` will be precipitated

C

both will be precipitated

D

no precipitate will appear

Text Solution

Verified by Experts

The correct Answer is:
A
`AI(OH)_(3)` is insoluble in excess `NH_(3)`.
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise K: Vth and Vth Group Cations|10 Videos

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise L: Miscellaneous|40 Videos

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise I. IIIrd Group Cations|36 Videos

  • S BLOCK ELEMENTS

    GRB PUBLICATION|Exercise SUBJECTIVE TYPE|9 Videos

  • THERMODYNAMICS

    GRB PUBLICATION|Exercise All Questions|704 Videos

Similar Questions

Explore conceptually related problems

An aqueous solution containing NH_(4)Cl,FeCl_(3) and MnCl_(2) is treated with NH_4OH solution. The observation is that:

When NH_(4)Cl is added to a solution of NH_(4)OH :

When NH_(4)Cl is added to a solution of NH_(4)OH :

A colourless solid A dissolves in water. The aqueous solution gives a white precipitate B when NaOH or NH_4 OH is added. B dissolves in excess of NaOH but not in excess of NH,OH. BaCl2 solution added to a solution of A gives a white precipitate C which is insoluble in dilute HCI. A may be

Which of the following aqueous solution of cation(s) give(s) white ppt. with NaOH and NH_(4)OH solution and formed ppt. is/are further completely dissolve din one of the excess reagent?

200 ml of an aqueous solution contains 0.1 M NaOH and 0.2M NH_(4)OH(aq) . In a titration experiment, 0.1 MHCI (aq) solution is slowly added to it. Given K_(b) (NH_(4)OH) = 10^(-5) On adding 400 mL of HCI solution (from start) pH of solution will be finally:

200 ml of an aqueous solution contains 0.1 M NaOH and 0.2M NH_(4)OH(aq) . In a titration experiment, 0.1 MHCI (aq) solution is slowly added to it. Given K_(b) (NH_(4)OH) = 10^(-5) On adding 200 mL of HCI(aq) solution, final pH of solution will be:

The solubility products of AI(OH)_(3) and Zn(OH)_(2) are 8.5xx10^(-23) and 1.8xx10^(-14) respectively. If NH_(4)OH is added to a solution containing AI^(3+) and Zn^(2+) ions, then substance precipitated first is:

GRB PUBLICATION-SALT ANALYSIS-J: IVth Group Cations
  1. Which of the following cation does not give red colour precipitate/sol...

    Text Solution

    |

  2. A metal M and its compound can give the following observable changes i...

    Text Solution

    |

  3. An aqueous solution contains both Al^(3+) & Zn^(2+).To this solution N...

    Text Solution

    |

  4. A solution containing SCN^(-) ions can be used to test one or more out...

    Text Solution

    |

  5. The auxiliary reagent in group-IV reagent is:

    Text Solution

    |

  6. To avoid the precipitation of hydroxides of Ni^(2+),Co^(2+),Mn^(2+) al...

    Text Solution

    |

  7. A blue colouration (in solution or precipitate) is not obtained when:

    Text Solution

    |

  8. In the fourth group, white precipitate of Mn(OH)(2) on heating with Pb...

    Text Solution

    |

  9. A coloured solution of a salt gives following reactions: I. It gives...

    Text Solution

    |

  10. Zn(OH)(2)darr is soluble in:

    Text Solution

    |

  11. Which of the following metal sulphides has maximum solubility in water...

    Text Solution

    |

  12. A reddish pink substance on heating gives off a vapour which condenses...

    Text Solution

    |

  13. Among the following, buff colour metal sulphide is:

    Text Solution

    |

  14. Black colour compound A is insoluble in HCI solution but soluble in aq...

    Text Solution

    |

  15. When H(2)S gas a passed through an ammonical salt solution X, a slight...

    Text Solution

    |

  16. Buff coloured cyanide compound (A) reacts with excess of KCN in presen...

    Text Solution

    |

  17. Among the following, brownish black colour metal sulphide is:

    Text Solution

    |

  18. How many structural isomers can be possible for yellow complex?

    Text Solution

    |

  19. To increase significantly the concentration of free Zn^(2+) ion is a s...

    Text Solution

    |

  20. CoS (black) obtained in group IV of salt analysis is dissolved in aqua...

    Text Solution

    |