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Ionic mobility of which of the following...

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field ?

A

K

B

Rb

C

Li

D

Na

Text Solution

Verified by Experts

The correct Answer is:
C
`Li^(+)` being the smallest alkali metal cation is most highly hydrated . As a result , the mass of the hydrated species is the highest and its mobility in the electric field is the lowest .
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PRADEEP-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS) -Competition Focus JEE (Main and Advance)/Medical Entrance (Multiple Choice Questions (With One Correct Answer))
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  2. Ionic mobility of which of the following alkali metal ions is lowest w...

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  3. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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  4. The increasing order of the density of the alkali metal is

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  5. For alkali metals, which of the following trends is incorrect?

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  7. The salt of an alkali metal gives yellow colour in the flame test. Als...

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  10. The correct order of reducing character of alkali metals is

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  12. The main oxides formed on combustion of Li,Na and K in excess of air r...

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  16. Which one of the following acts as a reducing as well as oxidising age...

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  17. The alkali metals form salt like hydrides by the direct synthesis at e...

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  18. Which of the following statements is false regarding alkali metals ?

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

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