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JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Boron Family

  • question_answer
    Aluminium chloride exists as dimer, \[A{{l}_{2}}C{{l}_{6}}\] in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives [AIEEE 2004]

    A) \[{{[Al{{(OH)}_{6}}]}^{3-}}+3HCl\]

    B) \[{{[Al{{({{H}_{2}}O)}_{6}}]}^{3+}}+3C{{l}^{-}}\]

    C) \[A{{l}^{3+}}+3C{{l}^{-}}\]

    D) \[A{{l}_{2}}{{O}_{3}}+6HCl\]

    Correct Answer: D

    Solution :

    \[A{{l}_{2}}C{{l}_{6}}+12{{H}_{2}}O\] ⇌ \[2{{[Al{{({{H}_{2}}O)}_{6}}]}^{3+}}+6C{{l}^{-}}\]


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