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Halides of Be dissolve in organic solven...

Halides of Be dissolve in organic solvent while of Ba do not

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Halides of Be are covalent because of high sum of `Delta_(i) H_(1) + Delta_(i)H_(2)` of Be while those of Ba are ionic due to low sum of `Delta_(i)H_(1) + Delta_(i) H_(2)` of Ba .
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PRADEEP-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS) -Conceptual Questions Group 2 (Elements -Alkaline Earth Metals)
  1. Alkaline earth metals always form divalent cations even through their ...

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  2. A piece of burning magnesium continues to burn in SO2 . Explain .

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  3. Explain why halides of beryllium fume in moist air but those of barium...

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  4. (a). What is the hybrid state of Be in BeCl(2) in vapour state. What w...

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  5. Why are beryllium halides polymeric in nature ?

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  6. The crystalline salts of alkaline earth metals contain more water of c...

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  7. Halides of Be dissolve in organic solvent while of Ba do not

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  8. Why BaSO(4) is insoluble whereas BeSO(4) is soluble in water ?

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  9. What is the difference between quick lime, slaked lime, milk of lime a...

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  10. Write with a balanced chemical equation , how gypsum is used for the c...

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  11. Chlorination of calcium hydroxide produces bleaching powder . Write it...

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  12. Why is the temperature maintained around 393 K during the preparation ...

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  13. Why is it necessary to add gypsum in the final stages of the preparati...

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  14. Give reasons for the following : (i) MgCl(2) is more covalent than N...

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  15. How will you distinguish between (i) magnesium and calcium (ii) Na(2...

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  16. Give reasons for the following : (i) Be(OH)(2) dissolves in NaOH but...

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  17. Account for the following : (i) Be(OH)(2) is amphoteric while Mg(OH)(...

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