Write structures of main compounds A and B in each of the following reactions:

(a)\: C_6H_5COOH\overset{PCl_5}{\rightarrow}A\overset{H_2/Pd-BaSO_4}{\rightarrow}B

(b)\: CH_3CN\xrightarrow[(ii)H_3O^+]{(i)CH_3MgBr}A\overset{Zn(Hg)/conc. HCl}{\rightarrow}B

 

 

 

 

 
 
 
 
 

Answers (1)

(a) C_6H_5COOH\xrightarrow[]{PCl_5}C_6H_5COCl\xrightarrow[]{H_2/Pd-BaSO_4}C_6H_5CHO

                                                   (A)                                                      (B)

                                         Benzoylchloride                                    Benzaldehyde

(b)

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