Classification Of Elements And Periodicity In Properties Question 185

Question: Which of the following is the correct order of gradually decreasing basic nature of the oxides [MP PMT 1997]

Options:

A) $ Al_2O_3 $ , $ MgO $ , $ Cl_2O_7 $ , $ SO_3 $

B) $ MgO $ , $ Al_2O_3 $ , $ SO_3 $ , $ Cl_2O_7 $

C) $ Cl_2O_7 $ , $ SO_3 $ , $ Al_2O_3 $ , $ MgO $

D) $ SO_3 $ , $ Cl_2O_7 $ , $ MgO $ , $ Al_2O_3 $

Show Answer

Answer:

Correct Answer: B

Solution:

Across the period non-metallic character increases. Hence basic nature of oxide decreases.