question archive Toluene, C6H5CH3, is oxidized by air under carefully controlled conditions to benzoic acid, C6H5CO2H, which is used to prepare the food preservative sodium benzoate, C6H5CO2Na
Toluene, C6H5CH3, is oxidized by air under carefully controlled conditions to benzoic acid, C6H5CO2H, which is used to prepare the food preservative sodium benzoate, C6H5CO2Na
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Toluene, C6H5CH3, is oxidized by air under carefully controlled conditions to benzoic acid, C6H5CO2H, which is used to prepare the food preservative sodium benzoate, C6H5CO2Na. What is the percent yield of a reaction that converts 1.000 kg of toluene to 1.21 kg of benzoic acid?
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Answer:
percent yield=91.295%
Reaction equation is as follows
C6H5CH3+2KMnO4------>C6H5COOH +2MnO2+2KOH
moles of toluene reacting=mass/molar mass=1000/92.14=10.853moes
according mole ratio,moles of toluene reacting =moles of benzoic acid formed
moles of benzoic acid formed=10.853moles
theoretical yield of benzoic acid=moles*molar mass=10.853*122.12=1325.36836g
% yield=(actual yield/theoretical yield)*100=(1210/1325.36836)*100=91.295%
