Home
Class 12
CHEMISTRY
From a solution of copper sulphate, the ...

From a solution of copper sulphate, the metal used to recover copper, is 1)Na 2)Ag 3)Hg 4)Zn

A

Na

B

Ag

C

Hg

D

Zn

Text Solution

Verified by Experts

The correct Answer is:
D

Electropositive metal (Zn, Fe etc.) precipitate copper from a solution of copper sulphate. `CuSO_4 +Zn rarr Cu+ZnSO_4`
Promotional Banner

Topper's Solved these Questions

  • THE D- AND F-BLOCK ELEMENT

    BRILLIANT PUBLICATION|Exercise LEVEL-II|100 Videos
  • THE D- AND F-BLOCK ELEMENT

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|40 Videos
  • SURFACE CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL - II) (ASSERTION REASON TYPE QUESTIONS) |6 Videos
  • THE D-AND F-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III)|50 Videos

Similar Questions

Explore conceptually related problems

Can you store copper sulphate solution in a zinc pot?

Can you store copper sulphate solution in a zinc pot?

What is the coordination entity formed when excess of aquéous KCN , iș added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H_2 S(g) is passed through this solution?

You are now familiar with different types of solutions. Unsaturated and supersaturated solutions of copper sulphate are prepared in separate beakers and a crystal of copper sulphate is dipped into each one of them. What would be the observation after a day? Give reasons.

When Zinc dust is added to sufficiently large volume of aqueous solution of copper sulphate, 3.175 g of copper metal and 20 J of heat are produced. The DeltaH for the reaction Zn(s)+CuSO_(4)(aq)toZnSO_(4)(aq)+Cu(s) is (Atomic weight of Zn and Cu are 65.3 and 63.5 respectively)

The enthalpies of solution for copper sulphate pentahydrate and anhydrous copper sulphate are a respectively +11.7 and -65.5 kJ mol^(-1). The hydration enthalpy of anhydrous copper sulphate is

In the extraction of copper from its sulphide ore, the metal is formed by reduction of 'Cu2 O' with

A farmer prepared 1% solution of copper sulphate using iron rod as the stirrer for preparing Bordeaux mixture. Next day he notices that the blue color almost disappeared and the iron get coated with reddish brown material. b) Account for the color change of the solution.

A blue solution of copper sulphate becomes darker when treated with excess of ammonia. This is because

BRILLIANT PUBLICATION-THE D- AND F-BLOCK ELEMENT-LEVEL-II (ASSERTION-REASON TYPE)
  1. From a solution of copper sulphate, the metal used to recover copper, ...

    Text Solution

    |

  2. Assertion : Zn, Cd and Hg are not considered as transition metals. R...

    Text Solution

    |

  3. Assertion : Anhydrous copper (II) chloride is covalent while anhydrous...

    Text Solution

    |

  4. Assertion : All the members of actinide series are radioactive in natu...

    Text Solution

    |

  5. Assertion : Transition metals show variable valency. Reason : Transi...

    Text Solution

    |

  6. Assertion : Silver fluoride is soluble in water. Reason : Hydration ...

    Text Solution

    |

  7. Assertion : Magnetic moment values of actinides are lesser than the th...

    Text Solution

    |

  8. Assertion : MnO is basic whereas Mn2O7, is acidic. Reason : Higher ...

    Text Solution

    |

  9. Assertion . The reaction of oxalic acid with acidified KMnO4 proceeds ...

    Text Solution

    |

  10. Assertion : In transition elements, radii of 5d series are virtually t...

    Text Solution

    |

  11. Assertion : The maximum oxidation state of chromium in its compounds i...

    Text Solution

    |

  12. Assertion : Magnetic moment of Mn^(2+) " is less than that of " Cr^(2+...

    Text Solution

    |

  13. Assertion : In the series Sc to Zn, the enthalpy of atomisation of zin...

    Text Solution

    |

  14. Assertion : In acidic medium, K2 Cr2 O7 " exists as " Cr2 O7^(2-) (ora...

    Text Solution

    |

  15. Assertion : Zr and Hf occur together in nature and are difficult to se...

    Text Solution

    |

  16. Assertion : The second ionization energies of " "(23) V,""(24)Cr and...

    Text Solution

    |

  17. Assertion": Mn'atom loses ns electrons first during ionization as comp...

    Text Solution

    |

  18. Assertion : In Cr2O7^(2-) ion, all the Cr-O bond lengths are equal. . ...

    Text Solution

    |

  19. Assertion : The purple colour of KMnO4, is due to the charge transfer ...

    Text Solution

    |

  20. Assertion : Atomic size of silver is almost the same as that of gold. ...

    Text Solution

    |

  21. Assertion : Actinoids show larger number of oxidation states than lant...

    Text Solution

    |