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How would you explain the following obse...

How would you explain the following observations ?
(i) BeO is almost insoluble but `BeSO_(4)` is soluble in water
(ii) BaO is soluble but `BaSO_(4)` is insoluble in water
(iii) LiI is more soluble than KI in ethanol

A

the hydration energy of sodium sulphate is more than its lattice energy

B

the lattice energy of barium sulphate is less than its hydration energy

C

the lattice energy has no role to play in solubility

D

the hydration energy of sodium sulphate is less than its lattice energy.

Text Solution

Verified by Experts

The correct Answer is:
A
the hydration energy of sodium sulphate is more than its lattice energy
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ICSE-THE s - BLOCK ELEMENTS-OBJECTIVE (MULTIPLE CHOICE) TYPE QUESITONS (Choose the correct option in the following questions)
  1. Among LiCl, RbCl, BeCl2, MgCl2, the compounds with greatest and least ...

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  2. How would you explain the following observations ? (i) BeO is almost...

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  3. Why does the solution of sodium in liquid ammonia possess strong reduc...

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  4. The alkali metals

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  5. Which of the following is not a characteristic of alcohol ?

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  6. The properties of lithium are similar to those of Mg. This is because

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  7. Give a reason for each of the following: Alkali metals are good red...

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  8. Molten sodium chloride and sodium chloride dissolved in water .

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  9. Beryllium shows diagonal relationship with aluminium. Which of the fol...

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  10. A substance which gives brick red flame and breaks down on heating to ...

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  11. Be(OH)2 is

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  12. Compounds of group 2 elements are less soluble in water than the corre...

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  13. Which of the following represents calcium chlorite ?

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  14. Which of the following chlorides is covalent ?

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  15. Discuss the trend of the following (i) Thermal stability of carbonat...

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  16. A fire work gives out crimson coloured light. It contains the salt of

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  17. Alkali metals contain

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  18. Alkali metals give colour in Bunsen flame due to

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  19. Which is manufactured by electrolysis of fused sodium chloride?

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  20. Sodium is made by the electrolysis of a molten mixture of about 40% Na...

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