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JEE Main20266 April 2026Evening ShiftChemistryAminesActual

Consider the following organic reaction sequence. Choose the final product (X) from the following (consider the major product in all intermediate reactions)

Options

  1. ABenzene
  2. BPhenol
  3. CPropanol
  4. DChlorobenzene

Correct answer

A. Benzene

Step-by-step solution

The starting material is propanoic acid ( CH₃CH₂COOH ). In step (i), propanoic acid reacts with NH₃ upon heating to form propanamide. CH₃CH₂COOH NH₃, CH₃CH₂CONH₂ In step (ii), propanamide undergoes Hoffmann bromamide degradation with NaOH and Br₂ to form ethylamine. CH₃CH₂CONH₂ NaOH, Br₂ CH₃CH₂NH₂ In step (iii), ethylamine reacts with nitrous acid ( HNO₂ ) to form an unstable diazonium salt, which hydrolyzes to give ethanol. CH₃CH₂NH₂ HNO₂, H₂O CH₃CH₂OH In step (iv), ethanol reacts with benzenediazonium chloride (

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