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An unknown organic compound X undergoes the following sequence of reactions to yield 1-iodo-3-methylbenzene as the final product. X Sn / HCl Y [273 - 278 K ] NaNO ₂ / HCl Z KI 1-Iodo-3-methylbenzene The correct IUPAC name of compound X is:

Options

  1. A3-Methylaniline
  2. B1-Iodo-3-nitrobenzene
  3. C3-Nitrotoluene
  4. D2-Nitrotoluene

Correct answer

C. 3-Nitrotoluene

Step-by-step solution

The problem can be solved by working backwards from the final product. The final product is 1-iodo-3-methylbenzene. It is formed by the reaction of intermediate (Z) with aqueous KI . This is a characteristic reaction to replace a diazonium group with an iodine atom. Therefore, (Z) must be 3-methylbenzenediazonium chloride. Intermediate (Z) is formed by the diazotization of (Y) using NaNO ₂ and HCl at 273-278 K . This means (Y) is a primary aromatic amine, specifically 3-methylaniline. Compound (Y) is obtained by th

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