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Varsha is studying X class. Once she felt to test how rancidity of food containing oil (or) fat takes place. She has arranged the food in different containers as given below.
Food sample
Method she has used to prevent rancidity
A
Air tight container
B
Deep freezer
C
Addition anti oxidants BHA, BHT
Then choose the structure of BHA from the following.

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answer is A.

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Detailed Solution

Structure of BHA (Butylated Hydroxyanisole)

BHA is a mixture of two isomers:

2-tert-butyl-4-hydroxyanisole
3-tert-butyl-4-hydroxyanisole

Molecular Formula: C₁₁H₁₆O₂
Key Features:

Benzene ring
Methoxy group (-OCH₃) at para (4-) position
Hydroxy group (-OH) on benzene ring
tert-butyl group (-C(CH₃)₃) at ortho (2-) or meta (3-) position

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