A) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-Cl\]
B) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-R\]
C) \[R-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-H\]
D) \[R-O-R\]
Correct Answer: A
Solution :
In Friedel-Craffs reaction, either an acyl \[(RCOCl)\]or an alkyl halide attacks on benzene ring in the presence of anhydrous\[AlC{{l}_{3}}\]. Hence, X must be\[R\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,Cl\]in this reaction.You need to login to perform this action.
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