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What are the common physical and chemica...

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

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Knowledge Check

  • The alkali metals

    A
    form salt-like hydrides
    B
    form predominantly covalent salts
    C
    show decreased chemical reactivity with oxygen in going from Li to Cs
    D
    show increasing electronegativity form Li to Cs.
    • ICSE-THE s - BLOCK ELEMENTS-NCERT TEXT-BOOK. EXERCISES (WITH HINTS AND SOLUTIONS)
    1. What are the common physical and chemical features of alkali metals?

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    2. Discuss the general characteristics and gradation in properties of alk...

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    3. Why are alkali metals not found in nature ?

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    4. Find out the oxidation state of sodium in Na(2)O(2)

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    5. Explain, why is sodium less reactive than potassium ?

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

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

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    8. Compare the alkali metals and alkaline earth metals with respect to so...

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

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    10. Explain why can alkali and alkaline earth metals not be obtained by ch...

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    11. Why are potassium and caesium rather than lithium used in photoelectri...

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    12. When an alkali metal dissolves in liquid ammonia the solution can acqu...

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    13. Beryllium and magnesium to not give colour to flame whereas other alka...

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    14. Discuss the various reactions that occur in the Solvay process

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    15. Potassium carbonate cannot be prepared by Solvay process. Why ?

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

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

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    18. Starting with sodium chloride how would you proceed to prepare (i) sod...

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    19. Starting with sodium chloride how would you proceed to prepare (i) sod...

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    20. Starting with sodium chloride how would you proceed to prepare (i) sod...

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