Question
The correct order of increasing reactivity of the C-X bond towards nucleophile in the following compound is: [Structures Missing]
I < II < IV < III
II < III < I < IV
IV < III < I < II
III < II < I < IV
The specific chemical structures (I, II, III, and IV) are missing from the question data, making it impossible to evaluate the exact order. However, according to general principles, the reactivity of the C-X bond towards nucleophilic substitution in haloarenes is exceptionally low due to resonance and hybridisation of the carbon atom. This reactivity increases significantly when electron-withdrawing groups (such as ) are introduced at the ortho- and para- positions, as they stabilise the intermediate carbanion . Conversely, typical alkyl, allyl, and benzyl halides are generally much more reactive towards nucleophiles than unsubstituted aryl or vinyl halides.
This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Amines. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
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