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AP EAMCET202316 May 2023Evening ShiftChemistryAlcohols Phenols and EthersActual

What are ' X ' and ' Y ' respectively in the following reaction sequence? C ₆ H ₅ CH ₃ X C ₆ H ₅ CO ₂ H Y C ₆ H ₅ CH ₂ OH

Options

  1. AX = PCC ; Y = (i) B ₂ H ₆ (ii) H ₃ O ⁺
  2. BX = (i) KMnO ₄ / OH ⁻ ; Y = NaBH ₄ (ii) H ₃ O ⁺
  3. CX = (i) KMnO ₄ / OH ⁻, ; Y = (i) B ₂ H ₆ (ii) H ₃ O ⁺ (ii) H ₃ O ⁺
  4. DX = PCC ; Y = LAH

Correct answer

C. X = (i) KMnO ₄ / OH ⁻, ; Y = (i) B ₂ H ₆ (ii) H ₃ O ⁺ (ii) H ₃ O ⁺

Step-by-step solution

X = (i) KMnO ₄ / OH ⁻, , (ii) H ₃ O ⁺ (for strong side - chain oxidation) Y = (i) B ₂ H ₆ , (ii) H ₃ O ⁺ (for reduction to alcohols)

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