NEET NEET SOLVED PAPER 2018

  • question_answer
    Which of the following is correct with respect to - I effect of the substituents? (R = alkyl)                         [NEET - 2018]

    A)  \[\text{-N}{{\text{H}}_{\text{2}}}\text{-OR-F}\]  

    B)  \[\text{-N}{{\text{R}}_{\text{2}}}\text{-OR-F}\]

    C)  \[\text{-N}{{\text{H}}_{\text{2}}}\text{-OR-F}\]  

    D)  \[\text{-N}{{\text{R}}_{\text{2}}}\text{-OR-F}\]

    Correct Answer: C

    Solution :

    - I effect increases on increasing electronegativity of atom. So, correct order of -I effect is \[\text{--N}{{\text{H}}_{\text{2}}}\text{--OR--F}\]. Most appropriate Sol. is option [c], However option [b] may also be correct Sol.


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