what is the trend in polarising power of group 2 cations as we go down the group?
回答 (1)
2017-02-10 4:45 pm
The polarizing power of a cation increases as the increase in size of the cation.
When going down Group II, the sizes of the cations increase (i.e. Be²⁺ < Mg²⁺ < Ca²⁺ < Sr²⁺ < Ba²⁺). Therefore, the polarizing power of Group II cations increases when going down the group.
When going down Group II, the sizes of the cations increase (i.e. Be²⁺ < Mg²⁺ < Ca²⁺ < Sr²⁺ < Ba²⁺). Therefore, the polarizing power of Group II cations increases when going down the group.
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