Classification Of Elements And Periodicity In Properties Ques 327
Question: The order in which the following oxides are arranged according to decreasing basic nature is [CPMT 1985]
Options:
A) $ Na_2O,MgO,Al_2O_3,CuO $
B) $ MgO,Al_2O_3,CuO,Na_2O $
C) $ Al_2O_3,MgO,CuO,Na_2O $
D) $ CuO,Na_2O,MgO,Al_2O_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ Na_2O,MgO,Al_2O_3,CuO $ . More the metallic character higher the $ {{e}^{-}} $ donating tendency. Therefore lower the I.E. more the basic nature of oxide.
