Home
Class 12
CHEMISTRY
When a copper wire is placed I a solutio...

When a copper wire is placed I a solution of `AgNO_3`, the solution acquires blue colour. This due to the formation of .

A

forms a soluble complex with `AgNO_(3)`

B

is oxidized to `Cu^(++)`

C

is reduced to `Cu^(++)`

D

splits up into atomic form and dissolves

Text Solution

Verified by Experts

The correct Answer is:
B
SRP of Cu is less than Ag and thus
`Cu + 2 Ag^(+) to Cu^(2+) + 2 Ag` reaction occurs .
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NIKITA PUBLICATION|Exercise Questions From Competitive Exam|46 Videos

  • D-AND F-BLOCK ELEMENTS

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|515 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    NIKITA PUBLICATION|Exercise Multiple choice questions|117 Videos

Similar Questions

Explore conceptually related problems

STATEMENT 1 when a copper wire is placed in a solution of AgNO_(3) the solution blue colour and STATEMENT 2 E_(RP)^(@) "of" Cu^(+2)//Cu is lesser than E_(Ag^(+)//Ag)^(@)

Cu is dipped in a solution of AgNO_(3) the colour of solution becomes blue due to

In solution of AgNO_(3) .If Cu is added, the solution becomes blue due to

In Lassaigne's test for nitrogen,the blue colour is due to the formation of

In Lassaigne's test for nitrogen the blue colour is due to the formation of

The deep blue colour of compound (D) is due to the formation of:

In solutionof AgNO_(3) if Cu is added solution become blue due to

NIKITA PUBLICATION-ELECTROCHEMISTRY -Questions From Competitive Exam
  1. When a copper wire is placed I a solution of AgNO3, the solution acqu...

    Text Solution

    |

  2. A current 0.5 ampere when passed through AgNO(3) solution for 193 sec....

    Text Solution

    |

  3. A factory produces 40 kg of calcium in two hours by electrolysis. How ...

    Text Solution

    |

  4. {:("Electrolyte",^^.^(oo)(Scm^(2)mol^(-1))),(KCl,149.9),(KNO(3),145.0)...

    Text Solution

    |

  5. At certain temperature and infinite dilution , the equivalent conducta...

    Text Solution

    |

  6. A solution of concentration 'C' g equiv/litre has a specific resistanc...

    Text Solution

    |

  7. The solution of CuSO(4) in which copper rod is immersed is diluted to ...

    Text Solution

    |

  8. The standard oxidation potential E^@ for the half cell reaction are ...

    Text Solution

    |

  9. The Gibbs energy for the decomposition of Al(2)O(3) at 500^(@)C is as ...

    Text Solution

    |

  10. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

    Text Solution

    |

  11. The concentration of potassium ions inside a biological cell is at lea...

    Text Solution

    |

  12. The concentration of potassium ions inside a biological cell is at lea...

    Text Solution

    |

  13. For the reduction of silver ions with copper metal, the standard cell ...

    Text Solution

    |

  14. An increase in equivalent conductance of a strong electrolyte with dil...

    Text Solution

    |

  15. Which of the following expressions correctly repesents the equivalent ...

    Text Solution

    |

  16. Consider the following relations for emf of a electrochemical cell (...

    Text Solution

    |

  17. The equilibrium constant (K) for the reaction Cu(s)+2Ag^(+) (aq) rar...

    Text Solution

    |

  18. E^(@) for Fe//Fe^(2+) is +0.44 V and E^(@) for Cu//Cu^(2+) is -0.32 V....

    Text Solution

    |

  19. For the electrochemical cell, M|M^(+) ||X^(-)|X, E(M^(+)//M)^(@) = 0.4...

    Text Solution

    |

  20. Match the followings . {:(,"List - I" ,, ,"List- II") , (,(A) "Poten...

    Text Solution

    |

  21. If values of Lambda(0) of NH(4)Cl , NaOH and NaCl are 130 , 127 and 10...

    Text Solution

    |