A) \[-N{{H}_{2}}\]
B) \[-N{{O}_{2}}\]
C) \[-S{{O}_{3}}H\]
D) \[{{N}_{2}}\]
Correct Answer: A
Solution :
A group that causes attack to occur chiefly at positions ortho and para to it, is called an ortho- para director, eg,\[N{{H}_{2}},OH,Cl,\] etc.
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