Q:
      
      
         
            
The oldest known organic compound is
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: C) Acetic acid         
         
Explanation: In the form of vinegar, acetic acid is known from very early times. It is got by oxidation of fermented liquors (10-15%, alcohol) by air under the influence of a bacteria called 'mycoderma acetic'
       
      
      
      
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