1.

The ortho/para directing group among the following isA. COOHB. CNC. `COCH_(3)`D. `NHCOCH_(3)`

Answer» Correct Answer - D
`-COOH and COCH_(3)` are meta directing group due to the presence of `-overset(O)overset(||)(C)-`, similarly -CN is also meta directing due to the presence of multiple bond while `HNCOCH_(3)` is ortho/para directing group because of less electron density over `-overset(O)overset(||)(C)-` group.


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