Home
Class 12
CHEMISTRY
What criterion is followed for the selec...

What criterion is followed for the selection of the stationary phase in chromatography?

Text Solution

Verified by Experts

The stationary phase should be immobile as well as immiscible. with solvent used as eluent .eg: Al_2 O_3.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|154 Videos

  • HALOALKANES AND HALOARENES

    V PUBLICATION|Exercise QUESTION BANK|144 Videos

Similar Questions

Explore conceptually related problems

What is chromatography?

What is chromatography?

In TLC, the stationary phase is

The stationary phase in paper chromatography is

What is meant by the term,' Chromatography' ?

From the following select the wrong statement

Assertion : Chromatography is the best and latest method of purification/separation of organic compounds. Reason : In all forms of chromatography there is a stationary phase and mobile phase.

V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. State the role of silica in the metallugy of copper.

    Text Solution

    |

  2. What is meant by the term,' Chromatography' ?

    Text Solution

    |

  3. What criterion is followed for the selection of the stationary phase i...

    Text Solution

    |

  4. Describe a method for refining nickel.

    Text Solution

    |

  5. How can you separate alumina from silica in a bauxite ore associated w...

    Text Solution

    |

  6. Giving examples, differentiate between 'roasting' and 'calcination'.

    Text Solution

    |

  7. How is 'cast iron ' different from 'pig iron'?

    Text Solution

    |

  8. All ores are minerals, but all minerals are not ores. Why?

    Text Solution

    |

  9. Why copper matte is put in silica lined converter?

    Text Solution

    |

  10. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

    Text Solution

    |

  11. How is leaching carried out in case of low grade copper ores?

    Text Solution

    |

  12. Why is zinc not extracted from zinc oxide through reduction using CO?

    Text Solution

    |

  13. The value of Deltar G for formation of Cr2 O3 is -540 kJmol^-1 and th...

    Text Solution

    |

  14. Out of C and CO, which is a better reducing agent for ZnO?

    Text Solution

    |

  15. The choice of a reducing agent in a particular case depends on thermod...

    Text Solution

    |

  16. Name the process from which chlorine is obtained as a by-product.What...

    Text Solution

    |

  17. What is the role of graphite rod in the electrometallugy of aluminium?

    Text Solution

    |

  18. Outline the principles of refining of metals by the following methods....

    Text Solution

    |

  19. Predict conditions under which Al might be expected to reduce MgO

    Text Solution

    |

  20. All ores are minerals, but all minerals are not ores.Is this statement...

    Text Solution

    |