JEE Main & Advanced AIEEE Solved Paper-2003

  • question_answer
    Which one of the following is an amphoteric oxide?     AIEEE  Solved  Paper-2003

    A)                         \[ZnO\]                               

    B) \[N{{a}_{2}}O\]                                

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

    D) \[{{B}_{2}}{{O}_{3}}\]

    Correct Answer: A

    Solution :

    ZnO can react with acid and base both.     \[ZnO+2HCl\xrightarrow{{}}ZnC{{l}_{2}}+{{H}_{2}}O\] \[ZnO+2NaOH\xrightarrow{{}}N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}O\]


You need to login to perform this action.
You will be redirected in 3 sec spinner