Home
Class 12
CHEMISTRY
Assertion : Zirconium can be purified by...

Assertion : Zirconium can be purified by Van Arkel method.
Reason : `Zrl_4` is volatile and decomposes at 1800 K.

A

Both assertion and reason are true and the reason is the correct explanation of assertion.

B

Both asertion and reason are true and the reason is not the correct explanation of assertion

C

Assertion is true but the reason in false.

D

Assertion is false but reason is true.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise EXERCISE|978 Videos

Similar Questions

Explore conceptually related problems

Name two metals which can be refined by Van Arkel method.

In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true but reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true. (e) Assertion and reason both are wrong. Assertion : Nickel can be purified by Mond process. Reason: Ni(CO)_4 is a volatile compound which decomposes at 460 K to give pure Ni.

Assertion : SF_6 cannot be hydrolysed but SF_4 can be. Reason : Six F atoms in SF_6 prevent the attack of H_2O on sulphur atom of SF_6 .

Assertion : Actinoids form relatively less stable complexes as compared to lanthanoids. Reason : Actinoids can utilise their 5f orbitals along with 6d orbitals in bonding but lanthanoids do not use their 4f orbital for bonding.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Match items of Column I with the items of Column II and assign the cor...

    Text Solution

    |

  2. In the following questions a statement of assertion followed by a stat...

    Text Solution

    |

  3. Assertion : Zirconium can be purified by Van Arkel method. Reason : ...

    Text Solution

    |

  4. Assertion : Sulphide ores are concentrated by Froth Flotation method. ...

    Text Solution

    |

  5. Assertion : Zone refining method is very useful for producing semicond...

    Text Solution

    |

  6. Assertion : Hydrometallurgy involves dissolving the ore in a suitable ...

    Text Solution

    |

  7. Why is pine oil used in froth floatation method?

    Text Solution

    |

  8. Which is better reducing agent at temperature 983 K, C or Co?

    Text Solution

    |

  9. Define fauna.

    Text Solution

    |

  10. How does adsorption of gases on solids depend upon: Temperature?

    Text Solution

    |

  11. The cause of Brownian movement is

    Text Solution

    |

  12. What is Tyndall effect? Why do colloidal solutions show Tyndall effect...

    Text Solution

    |

  13. What are enzyme catalysts? Give two examples of enzyme catalysis react...

    Text Solution

    |

  14. Compare lyophilic and lyophobic sols in term of Stability .

    Text Solution

    |

  15. What are lyophilic and lyophobic sols ? Give one example of each. Why ...

    Text Solution

    |

  16. Define calcination and roasting.

    Text Solution

    |

  17. State the role of silica in the metallurgy of copper.

    Text Solution

    |

  18. Describe the role of the following in the processes mentioned: Iodine ...

    Text Solution

    |

  19. Describe the role of the following : NaCN in the extraction of silver ...

    Text Solution

    |

  20. What is the role of cryolite in the metallurgy of aluminium ?

    Text Solution

    |