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

A) $Al_{2}O_{3} < MgO < Na_{2}O < K_{2}O$
B) $MgO < K_{2}O < Al_{2}O_{3} < Na_{2}O$
C) $Na_{2}O < K_{2}O < MgO < Al_{2}O_{3}$
D) $K_{2}O < Na_{2}O < Al_{2}O_{3} < MgO\$
Explanation

(a)
[image:3_image1.emf]
basic nature of oxides $Al_{2}O_{3} < MgO < Na_{2}O < K_{2}O$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.