JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 13 and Group 14)

  • question_answer
    Anhydrous aluminium chloride \[(A{{l}_{2}}C{{l}_{6}})\] is covalent compound and soluble in water giving:

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

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

    C) \[{{[AlC{{l}_{2}}{{({{H}_{2}}O)}_{4}}]}^{3+}}\] and \[{{[AlC{{l}_{4}}{{({{H}_{2}}O)}_{2}}]}^{-}}\] ions

    D) none of the above

    Correct Answer: C

    Solution :

    [c]  \[AlC{{l}_{3}}.6{{H}_{2}}O\xrightarrow{dissociation}\] \[{{[AlC{{l}_{2}}{{({{H}_{2}}O)}_{4}}]}^{+}}+{{[AlC{{l}_{4}}{{({{H}_{2}}O)}_{2}}]}^{-}}\]


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