A) \[CaO\]
B) \[C{{O}_{2}}\]
C) \[Si{{O}_{2}}\]
D) \[Sn{{O}_{2}}\]
Correct Answer: D
Solution :
\[Sn{{O}_{2}}\]is amphoteric in nature because it dissolves in both acids and bases. \[Sn{{O}_{2}}+4HCl\xrightarrow{{}}SnC{{l}_{4}}+2{{H}_{2}}O\] \[Sn{{O}_{2}}+2NaOH\xrightarrow{{}}N{{a}_{2}}Sn{{O}_{3}}+{{H}_{2}}O\]
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