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How alkali metals react with oxygen? Exp...

How alkali metals react with oxygen? Explain with equation.

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All the alkali metals on exposure to air burn vigorously, forming oxides on the surface of the metals
(ii) Lithium forms only monoxide, sodium forms the monoxide and peroxide and the other elements form monoxide, peroxide and superoxides.
`4Li + O_(2) to 2Li_(2)O` (Lithium monoxide)
` 2 Na + O_(2) + Na_(2)O_(2)` (Sodium peroxide)
`K + O_(2) to KO_(2)` (Potassium superoxide)
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FULL MARKS-ALKALI AND ALKALINE EARTH METALS-Additional Questions Solved
  1. Explain the various periodic trends in the alkali metals down the grou...

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

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

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  4. How alkali metals react with liquid ammonia?

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  5. What is the reason behind the blue colouration of alkali metals with l...

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  6. Explain how alkali metal oxide reacts with water?

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  7. Describe about the fire works of alkaline earth metals.

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  8. Copper and chlorine compounds makes blue fire work. Why?

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  9. IE(1) of alkaline earth metals are higher than that of alkali metals, ...

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  10. MgCl(2) and CaCl(2) are easily hydrated, while NaCl and KCl are not hy...

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  11. What are the distinctive behaviour of beryllium?

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  12. Write about the important uses of calcium

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  13. Mention about the uses of barium.

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  14. Be(OH)(2)is amphoteric in nature. Prove it.

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  15. Write a note about the structure of beryllium chloride

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  16. Draw the structure of BeCl(2) in different physical states.

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  17. Write about the sulphates of alkaline earth metals.

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

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

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

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