BHU PMT BHU PMT Solved Paper-2001

  • question_answer
    \[AlC{{l}_{3}}\]acts as a strong Lewis acid because \[AlC{{l}_{3}}\]is:

    A)  easily hydrolysed

    B)  a covalent compound

    C)  an ionic compound

    D)  an electron deficient compound

    Correct Answer: D

    Solution :

                     Key Idea: Electron deficient compounds acts as Lewis acids. \[\because \]\[AlC{{l}_{3}}\]is an electron deficient compound. \[\therefore \]it is an Lewis acid\[\underset{\begin{smallmatrix}  (6\text{ }electron\text{ }in \\  valence\text{ }shell) \end{smallmatrix}}{\mathop{Cl-\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{Al}}\,-Cl}}\,\]


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