JEE Main Chemistry question

Chemistry Aldehydes, Ketones and Carboxylic Acids JEE Main

Acetic acid is obtained when:

(A)Glycerol is heated with sulphuric acid
(B)Methyl alcohol is oxidized with potassium permanganate
(C)Acetaldehyde is oxidised with potassium dichromate and sulphuric acidCorrect
(D)Calcium acetate is distilled in presence of calcium formate

Answer: (C)

Solution

Straightforward oxidation of acetaldehyde (CH₃CHO) with K₂Cr₂O₇/H₂SO₄ gives acetic acid directly.

Question ID VK-150045