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BeF(2) is highly soluble in water, where...

`BeF_(2)` is highly soluble in water, whereas the fluorides of other alkaline earth metals are almost insoluble because 

A

`BeF_(2)` is ionic in nature

B

`BeF_(2)` is covalent in nature

C

Hydration energy of `BeF_(2)` is much higher than lattice energy

D

Lattice energy of `BeF_(2)` is much higher than its hydration energy

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Solubility of an ionic compound in water is mainly dependent on A) Lattice enthalpy " " B) Hydration enathalpy Both these factors oppose each other and the resultant of these determines thhe solubility of an ionic compound in water. If lattice enthalpy has greater value, the compound has greater value, the compound is less soluble. In case hydration enthaply has greater value, the compound is highly soluble is water BeF_(2) is soluble in water while fluorides of other alkalie earth metals are isoluble because of

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NH_(3) is soluble in water whereas other hydrides of group 15 elements are insoluble in water. Why?

BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. The solubility in water of sulphates down the Be group is Be gt Mg gt Ca gt Sr gt Ba this is due to

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BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. Which of the following metal carbonates decompses on heating ?

BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. Which of the following is strongest base ?

AAKASH SERIES-ALKALINE EARTH METALS-OBJECTIVE EXERCISE - 2
  1. The first ionization energies of alkaline earth metals are higher than...

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  2. Which of the following is true i) Be is not affected by dry air ii...

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  3. BeF(2) is highly soluble in water, whereas the fluorides of other alka...

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  4. Among the following the standard oxidation potential is highest for

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  5. The metal which imparts Brick red colour to flame is

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  6. Alkaline earth metals exhibit +2 oxidation state in aqueous solution d...

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  7. Following are some statements about alkaline earth metals I) The ele...

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  8. The decomposition temperature of BaCO(3) (A), MgCO(3) (B) and CaCO(3) ...

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  9. Which of the following alkaline earth metal is used for making windows...

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  10. Which one of the following statements is correct

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  11. Which of the following has highest hydration enthalpy?

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  12. The following are the statements regarding polarisng power of IIA grou...

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  13. The decreasing order of second ionisation potential of K, Ca, Ba is

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  14. Wrong statement of the following

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  15. Acetylide among the following is

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  16. Which of the following about Be is not correct?

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  17. The following are some stements related to IIA group metals I) The r...

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  18. The correct order of ability to fom complexes

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  19. To a clear solution of compound (X), a solution of BaCl(2) is added an...

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  20. Ca, Sr and Ba generally form ionic compounds because of ?

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