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Why is Li(2)Co(3) decomposed at a lower ...

Why is `Li_(2)Co_(3)` decomposed at a lower temperature whereas `Na_(2)CO_(3)` at higher temperature:

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`Li_(2)CO_(3)`, is a covalent compound, whereas `Na_(2)CO_(3)` is an ionic compound. Therefore, lattice energy of `Na_(2)CO_(3)`, is higher than that of `Li_(2)CO_(3)`Thus, `LiCO_(3)`, is decomposed at a to temperature.
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved
  1. Give reasons for the following. Sodium and potassium are stored in ker...

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  2. What is the structure of BeCl(2) ?

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

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  4. . Alkali metals give colouration when heated in Bunsen flame. Give rea...

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  5. How Sodium metal  reacts with (i) ethanol and (ii) acetylene.

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  6. Mention the uses of lithium and its compounds.

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  7. What are the uses of sodium and its compounds?

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  8. What are the uses of potassium and its compounds?

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  9. What is soda ash ? How it obtained ?

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  10. List down the uses of washing soda.

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  11. How would you prepare pure sodium chloride from crude salt?

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  12. Mention the uses of sodium chloride.

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  13. List the uses of sodium hydroxide.

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  14. Give reason why sodium bicarbonate is used in bakeries.

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  15. Write about the uses of sodium bicarbonate.

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  16. Explain the action of soda lime with (i) SiO(2) and (ii)P(4) O...

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  17. Explain the periodic nature of ionization enthalpy in the alkali group...

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  18. Explain the various periodic trends in the alkali metals down the grou...

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  19. Explain  about the anomalous behaviour of lithium among the alkali met...

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  20. How alkali metals react with oxygen? Explain with equation.

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