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why alkali metals are prepared by electr...

why alkali metals are prepared by electrolysis of their fused halides

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Statement 1 : Highly electropositive metals are extracted by electrolysis of their fused salts. Statement 2 : Highly electropositive metals can not be reduced by chemical reduction methods.

The metal that cannot be obtained by electrolysis of the aqueous solution of its salts is:

Which of the following moves towards the anode during electrolysis of fused NaOH? Na^+ , H^+ , OH^- , O^2-

V PUBLICATION-THE s- BLOCK ELEMENTS-QUESTION BANK
  1. What happens when (i) sodium metal is dropped in water (ii) sodium met...

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  2. Comment on the following observation The mobility of alkali metal ions...

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  3. why alkali metals are prepared by electrolysis of their fused halides

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  4. Write balanced equations for reactions between (a)Na2 O2 and water (...

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  5. How would you explain?BaO is soluble but BaSO4 is insoluble in water.

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  6. Which of the alkali metals is having least melting point?

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  7. Which of the following gives hydrated salts.Li, Na,K,or Cs?

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  8. which of the most thermally stable carbonate among MgCO3,CaCO3,SrCO3an...

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  9. Certain aspects regarding compounds of sodium are given below. Match t...

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  10. Lithium and Magnesium belong to 1st and 2nd groups in the periodic tab...

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  11. A student is doing an experiment in the laboratory using sodium. Sudde...

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  12. Alkali metais can react with water to form hydroxides which are alkali...

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  13. We use soaps and detergents for washing clothes. But in olden days peo...

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  14. You are given conc. HCl and salts of some alkaline earth metals and di...

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  15. By passing chlorine gas through a colourless solụtion, we get bleachin...

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  16. A magnesium compound which is used as purgative in medicine, is conver...

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  17. There are two compounds of sodium whose formulae are (anhydrous form) ...

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  18. (a) Why does Al díssolve both in acidic and basic solutions?

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  19. Complete the following (i) 'Li+N2 gives

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  20. (a) What happens when alkali metals dissolved in ammonia? (b) Complet...

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