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Which of the following pairs of metals u...

Which of the following pairs of metals uis purified by van arkel method?

A

Ga and In

B

Zr and Ti

C

Ag and Au

D

Ni and Fe

Text Solution

Verified by Experts

The correct Answer is:
B
`Zr and Ti ` are purified by van Arkel method
` Zr (s) + 2I_2 (g) to Zr I_4 (g) `
` Arl_4 (g) underset("filement") overset("on the hot ")Zr(s) + 2I_2 (g) `
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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. In the purification of impure nickel by Mond's process, metal is purif...

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  2. Incorrect match

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  3. In van Arkel method, if I(2) is introduced at 1700 K over impure metal...

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

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  5. Identify the reaction that does not take place in a blast furnace

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  6. The temperature (""^@C) at which Fe2 O3is finally reduced to Fe in the...

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  7. High purity copper is obtained by

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  8. Iron is obtained on a large scale from Fe2O3 by

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  9. Which of the following metals is obtained by electrolytic reduction pr...

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  10. In the extractionof iron, slag is produced. Slag is

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  11. Thomas slag is

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  12. Which of the following pairs of metals uis purified by van arkel meth...

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  13. Which of the following metals is extracted by the electrometallurgical...

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  14. The electrolytic reduction technique is used in the extraction of

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  15. Nickel is purified by thermal decomposition of its

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  16. In the electrolysis of alumina, cryolite is added to

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  17. (viii) Amongest the following groups of oxides, the group containing o...

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  18. The phenomenon of removing layers of basic oxides from metals before e...

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  19. which of the following electronts is present as the impurity to the m...

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  20. Carbon and CO gas are used to reduce which of the following pairs of m...

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