Home
Class 12
CHEMISTRY
H2S would separate the following at pH ...

`H_2S ` would separate the following at `pH lt 7`

A

`Cu^(2+), Cd^(2+) `

B

`Pb^(2+), Cd^(2+) `

C

`Cu^(2+), Cr^(3+)`

D

`Cu^(2+), As^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES , KETONES AND CARBOXYLIC ACIDS

    MODERN PUBLICATION|Exercise Multiple Choice Questions ( Level - III )|10 Videos

  • BIOMOLECULES

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos

Similar Questions

Explore conceptually related problems

Complete the following equaton: H_2S+Cl_2 rarr

Acetamide is treated separately with the following reagent. Which one of those would give methylamine?

Which ofthe following reagents would carry out the following transformation? (D = ""^(2) H)

How would you name the following compounds? H-overset(H)overset(|)C=O

Identify the oxidant and reductant in the following reaction: Zn(s)+2H^+(aq)toZn^(2+)(aq)+H_2(g)

When CO_(2) dissolves in water, the following equilibrium is established : for which K_(c )=3.95xx10^(-7) and pH = 6.0. What would be the ratio of [HCO_(3)^(-)]//[CO_(2)] ?

Identify the oxidant and reductant in the following reactions: I_2(g)+H_2S(g)to2IH(g) +S(s) .

Determine the change in the oxidation number of S in H_2S and SO_2 in the following industrial reaction: 2H_2S(g)+SO_2(g) to 3S (g) + 2H_2 O (g)

MODERN PUBLICATION-APPENDIX A-Multiple Choice Questions (Level-I)
  1. Which type of variation is inherited ?

    Text Solution

    |

  2. Fe(OH)3 and Cr(OH)3 ppts. are separated by :

    Text Solution

    |

  3. H2S would separate the following at pH lt 7

    Text Solution

    |

  4. Ag2S is soluble in NaCN due to the formation of :

    Text Solution

    |

  5. A solution contains Cu(CH3COO)2. Cd(CH3COO)2 and Zn(CH3COO)2. On pass...

    Text Solution

    |

  6. In Lassagine's test, when both N and S are present, blood red colour i...

    Text Solution

    |

  7. Lassaigne's solution gives violet colouration with sodium nitroprussid...

    Text Solution

    |

  8. Belstein's test is used for the detection of :

    Text Solution

    |

  9. The prussian blue colour in the test of nitrogen by Lassagine's soluti...

    Text Solution

    |

  10. Leibig method is used for the estimation of

    Text Solution

    |

  11. For the detection of sulphur by Lassaigne's test, the addition of sodi...

    Text Solution

    |

  12. In Lassaigne's test for N, the blue colour is due to the formation of ...

    Text Solution

    |

  13. In the detection of halogen, nitric acid is added to the Lassaigne's e...

    Text Solution

    |

  14. Sodalime test for detection of nitrogen cannot be used for :

    Text Solution

    |

  15. In case N and S are also present along with halogen in the organic com...

    Text Solution

    |

  16. Which of the following pairs has heat of neutralisation equal to -57.1...

    Text Solution

    |

  17. Which of the following neutralisation reaction is most exothermic ?

    Text Solution

    |

  18. The heat of neutralisation of strong acid and strong base is 57.0 kJ. ...

    Text Solution

    |

  19. During the test of N in an organic compound by Lassaigne's extract, pr...

    Text Solution

    |

  20. Equal volumes of 1M HCl and 1M H2SO4 are neutralised by dilute NaOH so...

    Text Solution

    |