Q. Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?(1) K2O

A) Option 2

B) Option 1

C) Option 4

D) Option 3

✔ Correct Answer: Option 2

Exam Insight

The correct sequence of increasing basic nature is: Al2O3, MgO, Na2O, K2O. Basic nature increases from amphoteric oxides to strongly basic alkali oxides.

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