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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3el261

The simplest phenol is shown. Select all of the four structures shown that are food antioxidants containing a phenolic OH group.

  1. AStructure A
  2. BStructure B
  3. CStructure C
  4. DStructure D

Answer: A, B

Structure A is BHT and structure B is propyl gallate; both are phenolic antioxidants. Structure C is sorbic acid, a preservative with no OH on a ring, and structure D is sodium benzoate, a preservative with no phenolic OH.
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