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| 1. |
Lithium has the highest ionization enthalpy amoung alkali metals , yet is the strongest reducing agent . Why so ? |
| Answer» Solution :In aqueous solutions , the tendency of an element to lose electrons does not entirely depend upon its ionization enthalpy . It ALSO depends upon its enthalpy of sublimation and the enthalpy of hydration of the ion LEFT after the loss of an electron . The combined effect of these factors is measured in terms of electrode potential . Since lithium has the most negative `(-3*04 V)` electrode potential of group 1 elements, therefore , lithium is the STRONGEST reducing agent . | |