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When is a cation highly polarising ? Whi...

When is a cation highly polarising ? Which alkali metal cation has the highest plorising power ?

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A cation is highly polarising when its charge/radius ratio is high, `Li^(o+)` ion having the smallest size, has the highest polarising power among the alkali metals.
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CENGAGE CHEMISTRY-S-BLOCK GROUP 1 - ALKALI METALS-Ex 4.1 (Subjective)
  1. The alkali metals follow the noble gases in their atomic structure. Wh...

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  2. Why is sodium kept immersed in kerosene oil?

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  3. When is a cation highly polarising ? Which alkali metal cation has the...

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  4. Why superoxides of of alkali metals are paramagnetic ?

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  5. Alkali metals are paramagnetic but their salts are dimagnetic. Explain...

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  6. Give reasons for the following. a. LiCI is more covalent than KCI. ...

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  7. The Haber process can be represented as follows

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  8. Why does the reaction. proceed better with KF than with NaF ?

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  9. why lithium is kept wrapped in paraffin wax and not stored in kerosene...

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  10. When is a cation highly polarising? Which alkali metal cation has the ...

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  11. Why cesium can be used in photoelectric cell, while lithium cannot be ...

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  12. Give reason for the decreasing order of the conductivity of the follow...

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  13. NaHCO(3) and NaOH cannot exist together in solution. Why ?

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  14. On exposure to air, sodium hydroxide becomes liquid and after sometime...

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  15. Alkali metals are obtained by the electrolysis of the molten salts and...

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  16. What happens when: a. Potassium metal is dropped in water b. Potas...

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  17. How sodium carbonate is manufactured by the Solvay process ? State the...

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  18. a. Describe one method of manufacture of castic soda. b. What happen...

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  19. Answer the following: a. Which of the following has density greater ...

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  20. Explain the following: a. Alkali metals are paramagnetic, but their ...

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