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The hydrated halides of cannot be dehyd...

The hydrated halides of ____ cannot be dehydrated on heating.

A

Be and Mg

B

Mg and Ca

C

Ca and Sr

D

Sr and Ba

Text Solution

Verified by Experts

The correct Answer is:
A
The hydrated chlorides, bromides and iodides of Ca, Sr, and Ba can be dehydrated by heating but those of Mg and Be suffer hydrolysis
`CaCl_(2).6H_(2)Ooverset(Delta)toCaCl_(2)+6H_(2)O`
`[Be(H_(2)O)_(4)]Cl_(2)overset(Delta)toBe(OH)_(2)+2HCl`
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R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 10
  1. All the halides of group 2 elements form hydrates and are hygroscopic ...

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  2. When hydrated MgCI(2).6H(2)O is trongly heated,

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  3. The hydrated halides of cannot be dehydrated on heating.

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  4. Fused BeF(2) is

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  5. Which of the following compounds is highly soluble in water ?

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  6. Which of the following compounds are water soluble ?

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  7. Which of the following solids is polymeric ?

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  8. Beryllium chloride vapor contains

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  9. Because it is cheap (a byproduct of the Solvay process) and deliquesce...

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  10. Which of the following is incorrect about the carbonates of alkaline e...

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  11. Which of the following carbonates is the least soluble in water ?

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  12. Which of the following carbonates is the most thermally stable ?

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  13. Which of the following bicarbonates exists in the solid state ?

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  14. Sulphates of group 2 metals are prepared by the action of sulphuric ac...

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  15. Which of the following sulphates crystallizes without water of crystal...

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  16. Which of the following sulphates is sparingly soluble in water ?

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  17. Which of the following compounds has the highest temperature of decomp...

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  18. Which of the following sulphates is useful in diagnosing stomach or du...

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  19. Group 2 nitrates are prepared in solution by the action of nitric acid...

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  20. Which of the following nitrates crystallizes as anhydroms salt?

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