JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer Mark the oxide which is amphoteric in character [MP PMT 2000]

    A) \[C{{O}_{2}}\]

    B) \[Si{{O}_{2}}\]

    C) \[Sn{{O}_{2}}\]

    D) \[Ca{{O}_{{}}}\]

    Correct Answer: C

    Solution :

    \[Sn{{O}_{2}}+2NaOH\to N{{a}_{2}}Sn{{O}_{3}}+{{H}_{2}}O\] \[Sn{{O}_{2}}+4HCl\to SnC{{l}_{4}}+2{{H}_{2}}O\]


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