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Alkali metals are generally extracted by...

Alkali metals are generally extracted by electrolysis of their ores.

A

Reduction methods

B

Double decomposition methods

C

Displacement methods

D

Electrolytic methods

Text Solution

Verified by Experts

The correct Answer is:
D
Only electrolytic method is suitable because of high reactive nature of alkali metals.
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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-JEE MAIN
  1. A sodium fire in the laboratory is extinguished by

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  2. Diagonal Relationship Of Lithium With Magnesium

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  3. Alkali metals are generally extracted by electrolysis of their ores.

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  4. Cs^(+) ions impart violet colour to Bunsen flame. This is due to the f...

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  5. When dry ammonia gas is passed over heated sodium (out of contact of a...

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  6. Which of the following alkali metal ions has the lowest ionic mobility...

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  7. lithium has highest ionisation energy but is strongest reducing agent ...

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  8. Alkali metals have high oxidation potential and hence they behave as :

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  9. Based on lattice energy and other considerations which one of the foll...

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  10. The correct order of solubility of the sulphates of alkaline earth met...

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  11. Among LiCI, RbCI, BeCI(2) and MgCI(2) the compound with the greatest a...

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  12. White heavy precipitates are formed when BaCl(2) is added to a clear s...

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  13. Which will liberate hydrogen on reacting with hydrochloric acid ?

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  14. A metal X on heating in nitrogen gas gives Y,Y on treatment with H(2)O...

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  15. Formula of gypsum is CaSO(4).xH(2) and of plaster of parts is (2CaSO(4...

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  16. The substance not likely to contain CaCO(3) is:

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  17. The ionic mobility of alkali metal ions in aqueous solution is maximum...

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  18. The charge/size ratio of a cation determines its polarising power. Whi...

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  19. The set representing the correct order of ionic radius is

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  20. Which of the following on thermal decomposition yields a basic as wel ...

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