Multiple Choice
Propylene glycol,shown below,is a nontoxic diol used as a solvent for pharmaceutical drugs,and as a moisturizing agent for foods.When ingested,both alcohol functional groups are oxidized by enzymes in the liver to produce pyruvic acid,a compound with the formula C3H4O3.What is the structure of pyruvic acid?
A) 
B) 
C) 
D) 
E)
Correct Answer:

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Correct Answer:
Verified
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