question_answer

Benzene vapour mixed with air when passed over\[{{V}_{2}}{{O}_{5}}\]catalyst at 775 K gives

A)  glyoxal                

B)  oxalic acid

C)  maleic anhydride           

D)  fumaric acid

Correct Answer: C

Solution :

                 Benzene vapour mixed with air when passed over\[{{V}_{2}}{{O}_{5}}\]catalyst at 775 kg gives maleic anhydride.