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Consider the following abbreviations for...

Consider the following abbreviations for hydrated alkali ions `X=[Li(H_(2)O)_(n)]^(+), Y=[K(H_(2)O)_(n)]^(+), Z=[Cs(H_(2)O)_(n)]^(+)`
Which is the correct order of size of these hydrated alkali ions

A

`XgtYgtZ`

B

`ZgtYgtX`

C

`X=Y=Z`

D

`ZgtXgtY`

Text Solution

Verified by Experts

The correct Answer is:
A
The smaller the cation, the greater is the degree of hydration, hence the degree of hydration decreases from `Li^(+)` to `Cs^(+)`
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
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  2. Which alkali methal is most meallic in character?

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  3. Consider the following abbreviations for hydrated alkali ions X=[Li(H(...

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  4. Which of the following is least thermally stable ?

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  5. Sodium carbonate is manufactured by Solvay process, the products that ...

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  6. When potassium dichromate crystal are heated with conc. HCl

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  7. A fire of lithium, sodium and potassium can be extinguished by

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  8. A metal M reacts with N(2) to give a compound 'A'(M(3)N). 'A' on heati...

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  9. Aluminium reacts with caustic soda to form

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  10. Which series of reactions correctly represents chemical rections relat...

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  11. The useful by-products, obtained in the solvay process of manufacturin...

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  12. Molten sodium is used in nuclear reactors to

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  13. Electrolysis of molten sodium chloride leads to the formation of

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  14. Soda ash is

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  15. Soda lime is made from:

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  16. During the electrolysis of fused NaCl, which reaction occurs at anode ...

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  17. The colour of the precipitate produced by adding NaOH solution to HgCl...

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  18. On heating sodium metal in a current of dry ammonia, the compound form...

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  19. The alum used for purifying water is

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