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JEE Advanced · 2024 · 26 May 2024 · Paper 2 · Chapter_pending

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In the following reaction sequences, the major product is:
  1. (A)(see structure)
  2. (B)(see structure)
  3. (C)(see structure)
  4. (D)(see structure)
    ✓ Correct

Answer: (D)

Solution

The starting material (benzene) undergoes chlorination with in the presence of UV light. This is a free radical substitution reaction that produces hexachlorocyclohexane (lindane, also known as benzene hexachloride or BHC). The product has all six chlorine atoms added to the cyclohexane ring in a specific stereochemistry, giving the structure shown in option (D), which is commonly referred to as γ-hexachlorocyclohexane or lindane (6,6,6 notation).

JEE Advanced · 2024 · 26 May 2024 · Paper 2 · Single correct option

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