Which one of the following orders represents | vedclass

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(C) The basic nature of oxides depends on the electropositivity of the metal. As we move from left to right in the periodic table,the metallic charact

Vedclass · Accepted Answer

$Al_2O_3 < MgO < Na_2O < K_2O$

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(C) The basic nature of oxides depends on the electropositivity of the metal. As we move from left to right in the periodic table,the metallic character decreases,and thus the basic nature of oxides decreases. $Al_2O_3$ is amphoteric,$MgO$ is basic,$Na_2O$ is more basic,and $K_2O$ is the most basic among these due to the highest electropositivity of $K$. The correct order of increasing basic nature is: $Al_2O_3 < MgO < Na_2O < K_2O$.

Which one of the following orders represents the correct sequence of increasing basic nature of the given oxides?

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