Home
Class 12
CHEMISTRY
The method of zone refining of metals is...

The method of zone refining of metals is based on the principle of

A

Greater mobility of the pure metal than that of impurity

B

higher melting point of the impurity than that of the pure metal

C

Greater noble character of the solid metal than that of the impurity

D

Greater solubility of the impurity in the molten state than in the solid

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • INORGANIC CHEMISTRY

    ALLEN|Exercise s-BLOCK ELEMENTS|21 Videos

  • HYDROGEN

    ALLEN|Exercise EXERCISE-5|17 Videos

  • Ionic Equilibrium

    ALLEN|Exercise All Questions|37 Videos

Similar Questions

Explore conceptually related problems

Zone refining is based on the principle that

Zone refining is based on the principle that

Zone refining is based on the principle that

(a) Give an example of zone refining of metals. (b) What is the role of cryolite in the metallurgy of aluminium?

Describe the principle involved in each of the following processes of metallurgy : (i) Froth floatation method (ii) Electrolytic refining of metals (iii) Zone refining of metals

The process of zone refining is used for :

Chromatography is based on the principle of selective _______.

What is the principle of zone refining of metals?

ALLEN-INORGANIC CHEMISTRY-METALLURGY
  1. Select correct matching :-

    Text Solution

    |

  2. Read the following statements :- (I) Al has greater affinity than t...

    Text Solution

    |

  3. Which of the following is incorrect ?

    Text Solution

    |

  4. Which of the reactions occurs in slag formation zone in blast furnace ...

    Text Solution

    |

  5. Giving suitable example, describe the importance of the formation of c...

    Text Solution

    |

  6. Both copper carbonate and copper hydroxide are present in :-

    Text Solution

    |

  7. Ag(2)S +underset("Excess")(KCN) to [Ag(CN)(x)]^(-n) [Ag (CN)(x)]^(-n...

    Text Solution

    |

  8. When ZnS and PbS minerals are present together, Then NaCN added to sep...

    Text Solution

    |

  9. Which of the following statement is not correct regarding calcination ...

    Text Solution

    |

  10. "Ore" overset("Calcination")to "Residue" overset("dil.HNO"(3))tounders...

    Text Solution

    |

  11. Which of the following is not correctly matched

    Text Solution

    |

  12. The method of zone refining of metals is based on the principle of

    Text Solution

    |

  13. Aluminium oxide is not reduced by chemical reactions due to

    Text Solution

    |

  14. Which of the following sulphide ore is not concentrated by froth-float...

    Text Solution

    |

  15. Which of the following statements is correct regarding the slag obtain...

    Text Solution

    |

  16. Which of the following factors is of no significance for roasting sul...

    Text Solution

    |

  17. In the context of the Hall-Heroult process for the extraction of Al, w...

    Text Solution

    |

  18. Which of the above curve is wrongly presented -

    Text Solution

    |

  19. Which of the above metal oxide is having minimum thermal decomposition...

    Text Solution

    |

  20. Match column (I) (process) with column (II) (electrolyte) {:("Column...

    Text Solution

    |