Home
Class 12
CHEMISTRY
H2S is passed through acidified solution...

`H_2S` is passed through acidified solution of `CuSO_4` and black ppt is formed. This is due to:

A

oxidation of `Cu^+2`

B

reduction of `Cu^+2`

C

oxidation of `Cu^+2` and then reduction

D

Neither oxidation nor reduction of `Cu^+2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2012

    MODERN PUBLICATION|Exercise EXERCISE|44 Videos

  • SAMPLE PAPER 2014

    MODERN PUBLICATION|Exercise PROBLEM|1 Videos

Similar Questions

Explore conceptually related problems

When H_2S is passed through acidified CuSO_4 solution, a black precipitate is formed due to

When SO_2 is passed through acidified KMnO_4 solution

H_2S is passed through an acidified solution of copper sulphate and a black precipitate is fromen. This is due to :

When HCl gas is passed through saturated solution of BaCl_2 a white ppt. is obtained.This is due to:

A solution of CuSO_4 in water will :

MODERN PUBLICATION-SAMPLE PAPER 2013-EXERCISE
  1. The solution of a colourless salt in water has a pH value of = 9. The ...

    Text Solution

    |

  2. Uranium (mass number 238 and atomic number 92) emits an alpha particle...

    Text Solution

    |

  3. H2S is passed through acidified solution of CuSO4 and black ppt is for...

    Text Solution

    |

  4. When a solution of formaldehyde and KOH is heated , it will give :

    Text Solution

    |

  5. Alkaline hydrolysis of an ester is called

    Text Solution

    |

  6. Which of the following chemicals liberates bromine from a solution of ...

    Text Solution

    |

  7. In the electrophilic substitution of the compound shown below more tha...

    Text Solution

    |

  8. Write the equation for free energy change of a reversible gaseous reac...

    Text Solution

    |

  9. What is the relation between Kp and Kc for the following reaction ? NH...

    Text Solution

    |

  10. The purest form of commercial iron is :

    Text Solution

    |

  11. Give the name of monomers used in buna-S rubber preparation.

    Text Solution

    |

  12. Name the main product obtained by the carbylamine reaction of CH(3)-CH...

    Text Solution

    |

  13. Fill in the blanks : An equimolar mixture of NH4 Cl and NH4 OH is a ……...

    Text Solution

    |

  14. The cations on reaching "………." gain electrons and from neutral atoms ,...

    Text Solution

    |

  15. R-CH(2)-CN on reduction with H(2)//Ni forms….

    Text Solution

    |

  16. Fill in the blanks : Benzene reacts with ozone to form a triozonide wh...

    Text Solution

    |

  17. Phenol is acidic becauseis more stable than

    Text Solution

    |

  18. What is endothermic reaction. Give example.

    Text Solution

    |

  19. State the Law of mass action and explain any two significance of equil...

    Text Solution

    |

  20. What happens when HCl gas is passed through the concentrated solution ...

    Text Solution

    |