A) \[COOH\]
B) \[CN\]
C) \[COC{{H}_{3}}\]
D) \[NHCOC{{H}_{3}}\]
Correct Answer: D
Solution :
?COOH and \[COC{{H}_{3}}\] are meta directing group due to the presence of \[-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-\], similarly CN is also meta directing due to the presence of multiple bond while \[NHCOC{{H}_{3}}\] is ortho/para directing group because of less electron density over \[-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-\] group.
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