Home
Class 12
CHEMISTRY
The equilibrium 2Cu^(1) hArr Cu^(0)+Cu...

The equilibrium
`2Cu^(1) hArr Cu^(0)+Cu^(11)`
in aqueous medium at `25^(@)C` shifts towards the left in the presence of

A

`NO_(3)^(-)`

B

`Cl^(-)`

C

`SCN^(-)`

D

`CN^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B,C,D
`Cu^(2+)` ions react with `CN^(-),SCN^(-),Cl^(-)` to form `[Cu(CN)_(4)]^(3-),[Cu(SCN)_(4)]^(3-)],CuCl_(2)` which undergo backward reaction
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise Comprehension type Questions (passage)|8 Videos

  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise Passage-II|3 Videos

  • CHEMISTRY OF HEAVY METALS

    NARAYNA|Exercise Level IV NCERT BASED QUESTIONS|22 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    NARAYNA|Exercise ASSERTION & REASON TYPE QUESTIONS|10 Videos

  • CO-ORDINATE COMPOUNDS

    NARAYNA|Exercise Exercise-4|60 Videos

Similar Questions

Explore conceptually related problems

The equilibrium Cu^(0)+Cu^(||)hArr2Cu^(|) In the aqueous medium at 25^(@)C shifts towards the left in the presence of (1) Cl^(-) (2) CN^(-) (3) SCN^(-) (4) NO_(3)^(-)

The equilibrium 2 CuIhArr Cu+Cu^(II) In aqueous medium at 25^@C shifts towards the left in the presence of

Cu^(2+) ions will be reduced to Cu^(+) ions by the addition of an aqueous solution of

NARAYNA-CHEMISTRY OF HEAVY METALS-Level-V multiple answer questions
  1. Among the following the colour less compound (s) is // are

    Text Solution

    |

  2. Potassium manganate (K2MnO4) is formed when

    Text Solution

    |

  3. The equilibrium 2Cu^(1) hArr Cu^(0)+Cu^(11) in aqueous medium at 2...

    Text Solution

    |

  4. For the given aqueous reactions, which of the statements(s) is ( are) ...

    Text Solution

    |

  5. CuSO(4).5H(2)O overset(1000^(@)C)(rarr)underset(("solide")("gas"))(A+B...

    Text Solution

    |

  6. Which of the following coinage metal is // are dissolved in conc. HNO(...

    Text Solution

    |

  7. When ferrous sulphate is added to mercuric chloride then

    Text Solution

    |

  8. Which of the following statement is wrong regarding copper sulphate.

    Text Solution

    |

  9. Copper ion forms blue coloured complex with ligand NH(3) and a colourl...

    Text Solution

    |

  10. Which of the following is // are correct about Wilkinson's catalyst?

    Text Solution

    |

  11. Which of the following give O(2) on strong heating ?

    Text Solution

    |

  12. K(2)MnO(4) can be converted to KMnO(4) by

    Text Solution

    |

  13. The diamagnetic compounds is/are

    Text Solution

    |

  14. The compounds that liberate Cl(2) on heating with conc. HCl is // are

    Text Solution

    |

  15. Which of the following ions will give a coloured precipitate with lead...

    Text Solution

    |

  16. The metal oxide which decomposes on heating is // are :

    Text Solution

    |

  17. The species that undergoes disproportionational is an alkaline medium ...

    Text Solution

    |

  18. Choose correct statements (s) regarding the following reactions. Cr(...

    Text Solution

    |

  19. Which of the following produce Cr(2)O(3) along with O(2) ?

    Text Solution

    |

  20. FeCr(2)O(4)+Na(2)CO(3)+O(2)overset("Fusion")(rarr)[X]underset(H(2)O)ov...

    Text Solution

    |