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Which of the following oxides react exot...

Which of the following oxides react exothermically with water forming hydroxides ?

A

CaO

B

SrO

C

BaO

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
All these oxides except BeO (covalent) are basic in nature and react with water to form hydroxides. CaO, SrO, and BaO react exothermicaly with water forming hydroxides:
`MO+H_(2)OtoM(OH)_(2)`
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R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 10
  1. Which of the following oxides has a 4:4 zinc sulphide (wurtzite) struc...

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  2. The enthalpies of formation of group 2 oxides are quite high (highly n...

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  3. Which of the following oxides react exothermically with water forming ...

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  4. Which of the following oxides of group 2 elements is amphoteric ?

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  5. The hydroxide of is obtained by treating the metal with cold water.

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  6. Which of the following hydroxides is the most soluble in water ?

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  7. Which of the following hydroxides of group 2 elements is amphoteric ?

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  8. The most thermally stable hydroxide is

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  9. Which of the following halides are ionic in nature ?

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  10. All the halides of group 2 elements form hydrates and are hygroscopic ...

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

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

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  13. Fused BeF(2) is

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

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  15. Which of the following compounds are water soluble ?

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  16. Which of the following solids is polymeric ?

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  17. Beryllium chloride vapor contains

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

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

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

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