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The major product formed in the following reaction sequence is: p -Toluidine 1. NaNO ₂, HCl, 0-5^ C 2. CuCN, KCN Product

Options

  1. A4-Chlorotoluene
  2. B4-Methylphenol
  3. C4-Methylbenzonitrile
  4. D3-Cyano-4-methylaniline

Correct answer

C. 4-Methylbenzonitrile

Step-by-step solution

p -Toluidine reacts with NaNO ₂ and HCl at 0-5^ C to undergo diazotization, forming p -toluenediazonium chloride. When this diazonium salt is treated with CuCN and KCN , a Sandmeyer reaction takes place. The diazonium group ( - N ₂^+ Cl ^- ) is replaced by a cyano group ( - CN ). Thus, the final product is 4-methylbenzonitrile ( p -tolunitrile). Answer: 4-Methylbenzonitrile

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