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JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Mock Test - The p-Block Elements (Groups 13, 14)

  • question_answer
    Precipitation of \[A{{l}^{3+}}\](aq) \[Al{{(OH)}_{3}}\]by \[C{{O}_{2}}\] shows that

    A) The acidic property is very weak

    B)  The acidic property is very strong

    C)  The basic property is very strong

    D)  The basic property is very weak

    Correct Answer: A

    Solution :

    [a] \[C{{O}_{2}}+{{H}_{2}}O\rightleftharpoons C{{O}^{2-}}_{3}+2{{H}^{+}}\] \[2A{{l}^{3+}}+3C{{O}^{2-}}_{3}+3{{H}_{2}}O\to 2Al{{(OH)}_{3}}+3C{{O}_{2}}\]


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