Classification Of Elements And Periodicity In Properties Question 207
Question: An element X which occurs in the first short period has an outer electronic structure $ s^{2}p^{1} $ . What are the formula and acid-base character of its oxides [DCE 1999]
Options:
A) $ XO_3, $ basic
B) $ X_2O_3, $ basic
C) $ X_2O_3, $ amphoteric
D) $ XO_2, $ acidic
Show Answer
Answer:
Correct Answer: C
Solution:
$ B_2O_3 $ , $ Al_2O_3 $ are amphoteric oxides.
BETA
