Which equation represents an example of Friedel-Craft?s reaction [MNR

1.	Which equation represents an example of Friedel-Craft?s reaction [MNR 1993; CPMT 1996]
A.	\[{{C}_{6}}{{H}_{6}}+{{C}_{2}}{{H}_{5}}Cl\xrightarrow{AlC{{l}_{3}}}{{C}_{6}}{{H}_{5}}{{C}_{2}}{{H}_{5}}+HCl\]
B.	\[{{C}_{2}}{{H}_{5}}OH+HCl\xrightarrow{ZnC{{l}_{2}}}{{C}_{2}}{{H}_{5}}Cl+{{H}_{2}}O\]
C.	\[{{C}_{6}}{{H}_{5}}Cl+C{{H}_{3}}COCl\xrightarrow{AlC{{l}_{3}}}{{C}_{6}}{{H}_{5}}COC{{H}_{3}}+C{{l}_{2}}\]
D.	\[{{C}_{2}}{{H}_{5}}Br+Mg\xrightarrow{Ether}{{C}_{2}}{{H}_{5}}Mgr\]
Answer» B. \[{{C}_{2}}{{H}_{5}}OH+HCl\xrightarrow{ZnC{{l}_{2}}}{{C}_{2}}{{H}_{5}}Cl+{{H}_{2}}O\]

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Which equation represents an example of Friedel-Craft?s reaction [MNR 1993; CPMT 1996]

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