Question

convert ethyne to ethanoic acid​

Answer 1

Treat the acetylene or ethyne with mercury salt and sulfuric acid which will oxide it to ethanal. Then treat the ethanl with acidified potassium dichromate to obtain acetic acid as a product.

Answer 2

Answer: The conversion of ethyne to ethanoic acid can be done in two steps:

Step 1: Conversion of ethyne to ethanal

Ethyne (also known as acetylene) reacts with water in the presence of mercury sulphate catalyst to form ethanal (also known as acetaldehyde):

C₂H₂ + H₂O → CH₃CHO

Step 2: Conversion of ethanal to ethanoic acid

Ethanal can be further oxidized to form ethanoic acid (also known as acetic acid) using an oxidizing agent such as potassium permanganate (KMnO₄) or chromium trioxide (CrO₃) in the presence of dilute sulphuric acid (H₂SO₄):

CH₃CHO + [O] → CH₃COOH

Therefore, the overall reaction from ethyne to ethanoic acid can be written as:

C₂H₂ + 2H₂O + 2[O] → CH₃COOH

Explaination:

• Ethanoic acid, also known as acetic acid, is a colorless, pungent-smelling organic acid with the chemical formula CH₃COOH.
• Ethanoic acid is used in a wide range of applications, including as a food preservative, as a solvent for various organic compounds.
• In the manufacture of cellulose acetate and polyvinyl acetate, and in the production of vinegar.

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