s-Block ElementsHard
Question
In certain matters, lithium differs from other alkali metals, the main reason for this is :
Options
A.small size of lithium atom and Li+ ion
B.extremely high electropositivity of Li
C.greater hardness of Li
D.hydration of Li+ ion
Solution
It has highest polarising power among the alkali metals because of small size and thus show different properties than that of other elements of the group.
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