JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2006

  • question_answer
        Which of the following is not a Lewis base?

    A)  \[N{{H}_{3}}\]                                 

    B)  \[{{H}_{2}}O\]

    C)  \[AlC{{l}_{3}}\]                                

    D)  None of these

    Correct Answer: C

    Solution :

                    Key Idea: Lewis bases are electrons rich compounds. (i)\[\overset{\bullet \bullet }{\mathop{N}}\,{{H}_{3}}\]and\[{{H}_{2}}\underset{\bullet \,\bullet }{\overset{\bullet \,\bullet }{\mathop{O}}}\,\]are Lewis bases because they have lone pair of electron. (ii)\[AlC{{l}_{3}}\]is Lewis acid because it can accept electrons.


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