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Which of the following oxides has a 4:4 ...

Which of the following oxides has a `4:4` zinc sulphide (wurtzite) structure ?

A

BaO

B

BeO

C

CaO

D

SrO

Text Solution

Verified by Experts

The correct Answer is:
B
BeO is essentially covalent in narture while other oxides are ionic BeO has a 4:4 structure while other have a 6:6 sodium chloride (rock salt) structure.
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R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 10
  1. All the group 2 elements burn in O(2) to form oxides MO. These oxides ...

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  2. Which of the following oxides has a 4:4 zinc sulphide (wurtzite) struc...

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

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

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

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

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

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

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  9. The most thermally stable hydroxide is

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

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

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

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

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  14. Fused BeF(2) is

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

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  16. Which of the following compounds are water soluble ?

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  17. Which of the following solids is polymeric ?

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  18. Beryllium chloride vapor contains

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

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

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