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AP EAMCET202123 Aug 2021Evening ShiftChemistryAlcohols Phenols and EthersActual

Identify the reagents A and B in the following reaction. CH ₃ CH ₃ (B) CH ₃ COOH (A) CH ₃ CH ₂ OH

Options

  1. AA= HI / red P and B= LiAlH ₄
  2. BA= Ni / and B= LiAlH ₄
  3. CA= Pd / BaSO ₄ and B= Zn / HCl
  4. DA= LiAlH ₄ and B= HI / red P

Correct answer

D. A= LiAlH ₄ and B= HI / red P

Step-by-step solution

LiAlH ₄ is a strong reducing agent that reduces carboxylic acid to alcohol and HI / Red P reduces the acid to corresponding alkane. Acetic acid CH ₃ COOH [(A)] LiAlH ₄ Ethanol CH ₃ CH ₂ OH Acetic acid CH ₃ COOH [(B)] HI / Red P Ethene CH ₃ CH ₃

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