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Which method of purification is represen...

Which method of purification is represented by the following equations
`Ti +2I_(2) overset(523K)rarr TiI_(4) overset(1700K)rarr Ti +2I_(2)`

A

Cupellation

B

Poling

C

Van Arkel

D

Zone refining

Text Solution

Verified by Experts

The correct Answer is:
C
Van Arkel method Ti and Zn are refined by this method. It is used for obtaining ultra pure metals.
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ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (Refining of Crude Metal)
  1. Zone refining is based on the principle that

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  2. One of the following metals forms a volatile compound and this propert...

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  3. Cupellation process is involved in the metallurgy of

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  4. The temperature of the slag zone in the metallurgy of iron using blast...

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  5. Van Arkel method of purification of metals involves converting the met...

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  6. A metal which is refined by poling is

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  7. Van Arkel method of refining zirconium involves

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  8. In the extraction of chlorine by electrolysis of brine.

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  9. Brine is electrolysed by using inert electrodes. The reaction at anode...

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  10. Which method of purification is represented by the following equations...

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  11. The function of fluorspar in the electrolytic reduction of alumnia dis...

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  12. In the commercial electrochemical process for aluminium extraction, th...

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  13. The purification of alumina is called

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  14. Purification of aluminium done by electrolytic refining is known as

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  15. In Hall's process, the main reagent is mixed with

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  16. Which of the following reaction is not a part of the Godschmidt alumin...

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  17. In Goldschmidt aluminothermic process, thermite mixture contains:

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  18. In the Hoope’s process for refining of aluminium, the fused materials ...

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  19. Find the magnitude of the resultant of shown forces :-

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  20. The complex formed when Al(2)O(3) is leached from bauxite using concen...

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