A) dry ether
B) \[AlC{{l}_{3}}\]
C) anhydrous \[AlC{{l}_{3}}\]
D) \[{{P}_{2}}{{O}_{5}}\]
Correct Answer: C
Solution :
(i) Dry ether is used in Wurtz reaction. (ii) \[{{\text{P}}_{\text{2}}}{{\text{O}}_{\text{5}}}\]is used in dehydration reactions. (iii) Anhydrous \[\text{AlC}{{\text{l}}_{\text{3}}}\]or anhydrous \[\text{FeC}{{\text{l}}_{\text{3}}}\]are used in Friedel-Craft reaction. These are Lewis acids which help in formation of electrophile. Friedel-Craft reaction is used for alkylation of aromatic compounds.
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