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What happens when a. Sodium metal is d...

What happens when
a. Sodium metal is dropped in water?
b. Sodium metal is heated in free supply of air?
c. Sodium peroxide dissolves in water?

Text Solution

Verified by Experts

(i) : `2Na + 2H_2O to 2Na^(+) + 2OH^(-) + H_2`
(ii) : `2Na + O_2 to Na_2O_2`
(iii) : `Na_2O_2 + 2H_2O_2 to 2Na^(+) + 2OH^(-) + H_2O_2`
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MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -Revision Exercises (Objective/Very Short answer questions( Short Answer Questions ) )
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  2. Write three general characteristics of the s-block of the periodic tab...

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  3. What happens when a. Sodium metal is dropped in water? b. Sodium m...

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  4. Compare the solubility and thermal stability of the following compound...

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  5. Give reasons for the following. a. LiCI is more covalent than KCI. ...

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  6. What is the reaction occuring at the anode in Down's process for the e...

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  7. Describe the preparation ofeach of the following starting with limesto...

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  8. In what ways lithium shows similarities to magnesium in its chemical b...

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  9. Present a comparative account of the alkali and alkaline earth metals ...

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  10. Beryllium exhibits some similarities with aluminium. Point out four su...

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  11. Explain the trends in the solubility of carbonates , sulphates and hyd...

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  12. Draw the structure of (i) BeCl2 (vapour) (ii) BeCl2 (s)

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  13. Starting from sodium chloride, how will you proceed to prepare (i) sod...

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  14. "The chemistry of beryllium is not essentially ionic" Justify the stat...

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  15. Why does the following reaction: proceed better with KF than with...

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  16. EXTRACTION OF ALKALI METALS

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  17. Give three uses each of lithium and sodium.

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  18. Solvay process is used for the manufacturing of

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  19. Give one method of preparation and two uses of each of the following: ...

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  20. Describe the importance of the following: (a) limestone, (b) cement an...

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