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a. when is an ion highly polarising ? Which alkali metal ion has the highest polarising power ? b. What makes lithium to show properties uncommon to the rest of the alkali metals ? |
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Answer» a. A cation highly polarising if its (charge/redius) ratio is high. `Li^(o+)` ion having the smallest size will have the maximum (charge/redius) radio or polarising power. b. Lithium show properties uncommon to the rest of alkali metals due to: i. Small size of Li atom and `Li^(o+)` ion. ii. High (charge/radius) ration of `Li^(o+)` ion. |
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