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Polarizing power is...

Polarizing power is

A

`"Ionic charge"//"Ionic radius"`

B

`"Ionic charge"//("Ionic radius")^(2)`

C

`"Ionic radius"//("Ionic charge")^(2)`

D

`"Ionic radius"//"Ionic charge"`

Text Solution

Verified by Experts

The correct Answer is:
B
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Lithium the first element of group 1 differs from the rest of the elements of the group in many repects. This anomalous behavious of Li is due to (i). Very small size of its atom and ions (ii). High polarizing power (i.e., charge/radius ratio) of Li^(o+) ion (iii). Relatively high electronegativity and high ionization enthalpy (iv). Absence of vacant d-subshell in its outmost shell

Arrange the following species in increasing order of polarizing power ? Ag^(+),TI^(+)Na^(+) .

Which of the alkali metals has the polarizing power close to that of Magnesium ?

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K^+,Ca^(2+), Mg^(2+), Be^(2+)

NARAYNA-S-BLOCK ELEMENTS-Level Vi (Part - 2)
  1. Which of the following alkali metal halides has the lowest lattice ene...

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  2. Mark the false statement?

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  3. Polarizing power is

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  4. In hydrolysis, the alkali metal oxides, peroxides and superoxides act ...

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  5. Which is least soluble in water ?

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  6. Sodium reacts with water more vigorously than lithium because

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  7. Colour of iodine solution is discharged by shaking it with aqueous sol...

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  8. Identify the least stable among the following

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  9. Which of the folowing compounds liberates oxygen on heating?

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  10. Ionic hydrides react with water to

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  11. Which of the following is formed by the action of water on sodium pero...

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  12. Which is not a solid?

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  13. Which is not correctly matched? I) Basic strength of oxides Cs(2)O...

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  14. Which of the following act as an oxidising as well as reducing agent?

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  15. Which of the following statements is true for all the alkali metals ?

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  16. Property of all the alkali metals that decreases with their atomic num...

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  17. Select the incorrect statement with respect to sodium peroxide ?

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  18. Wwhich of the following statements are true about the alkali metals?

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  19. Which of the following staement(s) is (are) true?

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  20. Highly pure dilute solution of sodium in liquid ammonia :

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