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Which of the following gives the correct order of decreasing electron withdrawing effect?A. `-CN gt C_(6)H_(5)- gt NO_(2) gt F-`B. `-F gt -CN gt C_(6)H_(5)- gt -NO_(2)`C. `-NO_(2) gt - CNgt -F gt C_(6)H_(5)-`D. `C_(6)H_(5)- gt -F gt -CN gt -NO_(2)` |
Answer» Correct Answer - C The `-I` effect of some of the substituent is as follows: `-NO_(2) gt -CN gt -COOH gt -F gt Cl gt Brgt -Igt C_(6)H_(5) -NO_(2)` exerts the maximum `-I` effect due to `+ve` formal charge on `N`. |
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