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What are the common physical and chemical features of alkali metals?

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Alkali metals have low ionization enthalpies
.Alkali metals are highly electropositive in nature.
Alkali metals exhibit +1 oxidation states in their compounds
Alkali metals impart characteristic colours to the flame. Chemical properties of alkali metals:
Alkali metals are highly reactive in nature.
(ii) Alkali metals hydroxides are highly basic in nature.
(iii) Alkali metals dissolve in liquid ammonia to form blue and conducting solution
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved
  1. Draw the structure of BeCl(2) in different physical states.

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  2. Write about the sulphates of alkaline earth metals.

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  3. What are the common physical and chemical features of alkali metals?

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  4. Compare the alkali metals and alkaline earth metals with respect to ...

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  5. Why is Li(2)Co(3) decomposed at a lower temperature whereas Na(2)CO(3)...

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  6. What happens when (i) Sodium metal is dropped in water? (ii) So...

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  7. Write balanced equations for reactions between(i) Na(2)O(2) and water ...

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  8. How would you explain the following observations? (i) BeO is almost...

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  9. Why Cs is considered as the most electropositive element? Lithium c...

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  10. Give the important uses of the following compounds. i) NaHCO(3) ...

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  11. The hydroxides and carbonates of sodium and potassium are easily solub...

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  12. Why is LiF almost insoluble in water, whereas LiCl soluble not only in...

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  13. Which out of the following can be used to store an alkali metal? ...

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  14. Explain in what respects lithium is different from other metals of the...

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  15. Describe about the biological important of sodium and potassium.

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  16. Compare the properties of beryllium with other elements of the same gr...

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  17. List out the uses of magnesium

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  18. Distinguish between alkali metals and alkaline earth metals.

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  19. State as to why (a) Alkali metals show only +1 oxidation state ...

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  20. An alkali metal (A) belongs to period number II and group number I rea...

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