JEE Advanced2017Chemistryd and f Block ElementsActual
The option(s) with only amphoteric oxides is(are)
Options
- AC r 2 O 3 , C r O , S n O , P b O
- BN O , B 2 O 3 , P b O , S n O 2
- CC r 2 O 3 , B e O , S n O , S n O 2
- DZ n O , A l 2 O 3 , P b O , P b O 2
Correct answer
C. C r 2 O 3 , B e O , S n O , S n O 2
Step-by-step solution
(iii) C r 2 O 3 , B e O , S n O , S n O 2 All are amphoteric oxides as they react with both acids as well as bases (iv) Z n O , A l 2 O 3 , P b O , P b O 2 All are amphoteric oxides as they react with both acids as well as bases