question_answer

Reaction of \[PC{{l}_{3}}\] and PhMgBr would give

A)  bromobenzene

B)  chlorobenzene

C)  triphenylphosphine

D)  dichlorobenzene

Correct Answer: C

Solution :

 When phosphorus trichloride reacts with phenyl magnesium bromide  (Grignards reagent), all the three chlorine atoms of \[PC{{l}_{3}}\]are replaced by phenyl group of phenyl magnesium bromide and triphenyl phosphine is obtained.