NEET AIPMT SOLVED PAPER MAINS 2010

  • question_answer
    Which of the following species is not electrophonic in nature?

    A) \[\overset{\oplus }{\mathop{\text{Cl}}}\,\]                       

    B) \[\text{B}{{\text{H}}_{\text{3}}}\]                          

    C) \[{{\text{H}}_{\text{3}}}\overset{\oplus }{\mathop{\text{O}}}\,\]                          

    D) \[\overset{\oplus }{\mathop{\text{N}}}\,{{\text{O}}_{\text{2}}}\]

    Correct Answer: C

    Solution :

    Electrophones are electron deficient species.       Among the given,\[{{\text{H}}_{\text{3}}}{{\text{O}}^{\oplus }}\]has lone pair of electrons for donation, thus it is not electron deficient and hence, does not behave like an        electrophone.


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