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Identify the least stable among the foll...

Identify the least stable among the following

A

`Li^(-)`

B

`Be^(-)`

C

`B^(-)`

D

`C^(-)`

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-S-BLOCK ELEMENTS-Level Vi (Part - 2)
  1. Which of the following alkali metal halides has the lowest lattice ene...

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  2. Mark the false statement?

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  3. Polarizing power is

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  4. In hydrolysis, the alkali metal oxides, peroxides and superoxides act ...

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  5. Which is least soluble in water ?

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  6. Sodium reacts with water more vigorously than lithium because

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  7. Colour of iodine solution is discharged by shaking it with aqueous sol...

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  8. Identify the least stable among the following

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  9. Which of the folowing compounds liberates oxygen on heating?

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  10. Ionic hydrides react with water to

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  11. Which of the following is formed by the action of water on sodium pero...

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  12. Which is not a solid?

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  13. Which is not correctly matched? I) Basic strength of oxides Cs(2)O...

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  14. Which of the following act as an oxidising as well as reducing agent?

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  15. Which of the following statements is true for all the alkali metals ?

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  16. Property of all the alkali metals that decreases with their atomic num...

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  17. Select the incorrect statement with respect to sodium peroxide ?

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  18. Wwhich of the following statements are true about the alkali metals?

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  19. Which of the following staement(s) is (are) true?

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  20. Highly pure dilute solution of sodium in liquid ammonia :

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