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Which alkali metal ion has maximum polar...

Which alkali metal ion has maximum polarising power and why ?

A

`Li^(o+)`

B

`K^(o+)`

C

`Na^(o+)`

D

`Cs^(o+)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Li^(o+)` ion has the highest ionic `"charge"//("ionic redius")^(2)` ratio. Thus maximum polarising power.
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CENGAGE CHEMISTRY ENGLISH-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Single Correct
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  2. Which of the following elements combines directly with nitrogen to for...

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  3. Which alkali metal ion has maximum polarising power and why ?

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  4. Which of the following carbonates does not evolve CO(2) on heating?

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  5. The metallic lustre of sodium is explanined by the presence of

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  6. Which of the following is not a characteristic of alkali metals ?

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  7. A neutral white sodium salt (A) on heating liberates a gas (B), leavin...

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  8. The pairs of compounds which cannot exist together in aqueous solution...

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  9. Which of the following is the strongest reducing agent in aqueous medi...

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  10. The product of electrolysis of an aqueous solution of K(2)SO(4) using ...

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  11. Potassium gives a -------- colour to the Bunsen flame.

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  12. Which of the following is strongly hydrated in aqueous solution ?

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  13. When an aqueous of potassium ethanote is electrolysed ?

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  14. Which of the following alkali metal does not form alum ?

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  15. Sodium reacts with water more vigorously than lithium because

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  16. When Na(2)CO(3) is added to an aqueous solution of CuSO(4)

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  17. K(2)CS(3) is called potassium -----------.

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  18. Pearl ash' is

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  19. How many Na^(o+) ions sorround each CI^(Θ) ion in NaCI crystal lattice...

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  20. Magnesium uranyl test is used for

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