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NEETChemistryHaloalkanes and Haloarenes

When 1-iodobutane is treated separately with AgNO₂ and KNO₂ , the major products formed respectively are:

Options

  1. AButyl nitrite and 1-nitrobutane
  2. B1-Nitrobutane and 1-nitrobutane
  3. CButyl nitrite and butyl nitrite
  4. D1-Nitrobutane and butyl nitrite

Correct answer

D. 1-Nitrobutane and butyl nitrite

Step-by-step solution

AgNO₂ is predominantly covalent in nature. Therefore, the nucleophilic attack occurs through the lone pair on the nitrogen atom, yielding 1-nitrobutane as the major product. KNO₂ is predominantly ionic and provides nitrite ions ( NO₂^- ) in solution. The attack occurs mainly through the oxygen atom, yielding butyl nitrite as the major product. Answer: 1-Nitrobutane and butyl nitrite

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