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 _{{}}} $

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Answer:

Correct Answer: C

Solution:

$ SnO_2+2NaOH\to Na_2SnO_3+H_2O $

$ SnO_2+4HCl\to SnCl_4+2H_2O $