S Block Elements Question 297
Question: Mark the oxide which is amphoteric in character
[MP PMT 2000]
Options:
A) $ CO_2 $
B) $ SiO_2 $
C) $ SnO_2 $
D) $ Ca{O _{{}}} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ SnO_2+2NaOH\to Na_2SnO_3+H_2O $
$ SnO_2+4HCl\to SnCl_4+2H_2O $