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among the alkali metals caesium is the m...

among the alkali metals caesium is the most reactive because

A

It has incomplete shell which is nearest to the nucleus

B

It has a single electron it the valence shell

C

It is the heaviest alklali metal

D

The outermost electron is more loosely bound than the outermost electron of the other alkali metals

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The correct Answer is:
D
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Assertion (A): Among the alkali metals caesium salts exhibit the maximum conductance in aqueous solution. Reaction (R ): The radii of the hydrated caesium is the highest among alkali metals.

CENGAGE CHEMISTRY-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Single Correct
  1. The magnetic moment of KO(2) at room temperature is ---------- BM.

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  2. sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  3. among the alkali metals caesium is the most reactive because

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  4. Sodium hydride (NaH) when dissolved in water, produces

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  5. The correct order of stability for the following superoxides is

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  6. for which one of the following minerals, the composition gives is inco...

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  7. In the case of alkali metals, the covalent character decreases in the ...

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  8. Which of the following oxides is not expected to react with sodium hyd...

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  9. The reaction that takes place when CI(2) gas is passed through conc Na...

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  10. When sodium is added in scanty water, it cathes fire. In this process ...

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  11. Among LiCI, RbCI, BeCI(2) and MgCI(2) the compound with the greatest a...

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  12. which of the following compounds on reaction with NaOh and H(2)O(2) gi...

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  13. stable oxide is obtained by heating the carbonate of the elements

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  14. Ease with which hydrides are formed form Li to Cs:

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  15. For the preparation of sodium thiouslphyate by "Spring's reaction', th...

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  16. Li(2)SO(4) is not isomorphous with sodium sulphate:

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  17. Prefix 'alkali' for alkali metals denotes:

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  18. The chloride that can be extrated with ether is

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  19. Which of the following has the lowest melting point ?

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  20. On exposure to air, alkali metals get tarnished due to formation of ox...

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