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The correct order of polarising ability ...

The correct order of polarising ability of cations of Alkaline earth metals is 

A

`Be^(2+) gt Ca^(2+) gt Mg^(2+) gt Ba^(2+)`

B

`Be^(2+) lt Mg^(2+) gt Ca^(2+)=Ba^(2+)`

C

`Be^(2+) lt Mg^(2+)gt Ca^(2+) lt Ba^(2+)`

D

`Ba^(2+) lt Ca^(2+) lt Mg^(2+) lt Be^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-ALKALINE EARTH METALS-OBJECTIVE EXERCISE - 1
  1. Which has a strong reducing character among the following

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  2. Among the following amphoteric oxide is

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  3. The correct order of polarising ability of cations of Alkaline earth m...

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  4. Beryllium differs from other alkaline earth metals because of

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  5. Which of the following is a true peroxide

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  6. Which oxide is more basic among the following

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  7. Which is more soluble among the following

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  8. The most basic hydroxide among the following is

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  9. The covalent halide among the following is

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  10. Ionic nature of group 2 hydrides is

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  11. The halide that is highly soluble in H(2)O among the following is

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  12. MgCl(2).XH(2))O,CaCl(2).YH(2)O and BaCl(2).ZH(2)O. The values of X, ...

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  13. Which of the following is more soluble in ether?

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  14. (A): Oxides of alkaline earth metals are less basic than oxides of alk...

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  15. Which of the following salts does not impart a colour to the flame ?

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  16. Which element of group 2 is used in treatment of cancer ?

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  17. (A): BeSO(4) and MgSO(4) are readily soluble in water (R): The great...

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  18. In alkaline earth metals, the electrons are more firmly held to the nu...

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  19. Which of the following is true for magnesium?

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  20. In case of alkaline earth metals, the oxidation state more than two is...

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