Question reaction OF PCl5 with various compounds

Acetic acid on reaction with PCl_(5) gives compound.

Formation OF Alcohol by Reaction OF Various Compounds with SBH and H2

An organic compound (A) C_8 H_4 O_3 , in dry bebzene in the presence of anhydrous AlCl_3 gives compound (B ). The compound (B) on treatment with PCl_5 followed by reaction with H_2 //Pd (BaSo_4) gives compound (C ) which on reaction with hydrazine gives a cyclide compound (D) (C_(14) H_(10) N_2) . Identify (A), (B) (C ), and (D) Explain the formation of (D ) from (C ).

Reaction with PCl5 And SOCl2

|| Method OF preparation OF alkyl halide || anti markownik OFf rule || reaction OF R-OH with socl2,px3 and pcl5 ||

Alcohol & ether || chemical properties OF ethers || reaction with H3O+(acid catalysed hydrolysis) || reaction with pcl5,socl2 and (red p + HI) || reaction OF R-O-R with H-1 || Halogenation (free radical substitution reaction) reaction with O2 / atmospheric oxygen ||