Question

1) Calculate the percent atom economy for the following reaction -: C7H6O3 + C4H6O3 <----------> C9H8O4...

1) Calculate the percent atom economy for the following reaction -:

C7H6O3 + C4H6O3 <----------> C9H8O4 + C2H4O2.

Mass of salicyclic acid = 2.02g

Mass of crude ASA = 4.79g

Mass of pure ASA = 4.39g

Acetic anhydride taken = 5ml (1.08g/mol)

2) Calculate the percent economy of for making ASA from acetic acid.

C7H6O3 + C2H4O2 <-----------> C4H8O4 + H2O.

3) Compare both percent atom economy for the reactions ?

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Answer #1

i] Arom economy = mass of atoms in desired pooduct . X 100 mass of atoms in ved ctants COOH COOH EL + - EL LOH Gq HGO3 mw.7(1

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