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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
     Which is the coordinating solvent in the following reaction? \[B{{F}_{3}}+HF+{{H}_{2}}O\xrightarrow{{}}{{H}_{3}}{{O}^{+}}+BF_{4}^{-}\]

    A)  \[HF\]                 

    B)         \[{{H}_{2}}O\]

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

    D)         \[B{{F}_{3}}\]

    Correct Answer: A

    Solution :

    HF act as a coordinating solvent. It loses proton and \[{{F}^{-}}\] forms co-ordinate bond with \[B{{F}_{3}}\].


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