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Comment on each of the following observa...

Comment on each of the following observations:
(a) Lithium is the only alkali metal to form a nitride directly by combination with nitrogen.

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(a) Reason : `Li^+` ion being the smallest in size will combine with small `N^(3-)` ion to form the stable crystal
`6Li+n_2to2Li_3N`
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL SHORT ANSWER
  1. Why does lithium exhibit anomalous properties ?

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  2. Why does the Li^(2+) ion combines only with O^(2-) ion ?

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  3. Comment on each of the following observations: (a) Lithium is the on...

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  4. Alkali metals exhibit high chemical reactivity Give reason.

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  5. Why sodium hydroxide is much more water soluble than chloride?

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  6. Carbonates and bicarbonates of alkali metals soluble in water and are ...

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  7. Write the chemical name of backing soda. Write any one of it uses.

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  8. What happens when crystals of washing soda are exposed to air?

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  9. List down the uses of washing soda.

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  10. List the uses of sodium hydroxide.

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  11. Why is sodium bicarbonate nicknamed as 'Baking Soda'?

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  12. Why does Li2CO3 decompose at a temperature below 1273K ?

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  13. What are 's' block elements ?

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  14. What is meant by 'diagonal relationship' in periodic table? Why is it ...

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  15. Explain the structure of BeCl2

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  16. Why does beryllium form BeCl2 although it has no unpaired electrons ?

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  17. Why are alkaline earth metal smaller than the Corresponding alkali met...

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  18. Why is the behaviour of beryllium is different from the other elements...

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  19. Give the applications of strontium with respect to nuclear chemistry

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  20. Write note on the preparation of BeF2

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