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NEET AIPMT SOLVED PAPER 1998

  • question_answer
                    Which one of the following orders is correct regarding the \[-I\] effect of the substituents?

    A)                   \[-N{{R}_{2}}<-OR>-F\]

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

    C)                 \[-N{{R}_{2}}<-OR<-F\]

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

    Correct Answer: C

    Solution :

                    The electronegativity follows the order N < O < F. So due to electronegative character the order of \[-I\] effect is:                 \[-N{{R}_{2}}<-OR<-F\]


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