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Name the organic acid present in vinegar. Write a chemical equation which represents the commercial method of preparation of aid from methanol.

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The organic acid present in vinegar is acetic acid - CH3COOH  

 Acetic acid is be prepared by oxidizing ethanol.

Commercial method of preparation of acid from methanol by oxidation i.e., by adding KMnO4 or K2Cr2O7 gives vinegar as product.
CH3OH+KMnO4→ Vinegar(Acid)

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I asked how to prepare the acid from methanol. Please provide the answer.
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