NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice
Which element among the following cannot form an amphoteric oxide?
Options
- AAl
- BSn
- CSb
- DP
Correct answer
D. P
Step-by-step solution
Phosphorus being a non-metal always forms acidic oxides like P 4 O 6 , P 4 O 10 , etc. whereas Al , Sn and Sb are amphoteric elements. A l 2 O 3 , S n O and S b 2 O 3 are amphoteric oxides i.e., they can react with both acids as well as bases.