JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Critical Thinking

  • question_answer
    Which one is a Lewis acid              [RPMT 1997]

    A)                 \[Cl{{F}_{3}}\]   

    B)                 \[{{H}_{2}}O\]

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

    D)                 None of these

    Correct Answer: A

    Solution :

                    Because they have vacant d-orbital in central atom.


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