Question:

The sequence of reagents required to convert aniline to benzene nitrile are

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In diazotization reactions, the temperature and the specific reagents used determine the success of the conversion.
Updated On: May 13, 2025
  • NaNO\(_2\) + HCl, 293–298 K ; CuCN / KCN
  • NaNO\(_2\) + HCl, 273–278 K ; CuCN / KCN
  • NaNO\(_2\) + HCl, 273–298 K ; Cu / HCN
  • Cl\(_2\) / Fe; KCN
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The Correct Option is B

Solution and Explanation

The conversion of aniline to benzene nitrile requires the diazotization of aniline using NaNO\(_2\) and HCl at a temperature of 273-278 K. After this step, copper cyanide (CuCN) and potassium cyanide (KCN) are used to substitute the diazonium group with a cyano group to form the nitrile group.
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