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NEETChemistryHaloalkanes and Haloarenes

What is the primary reason for the slow electrophilic substitution reactions in haloarenes compared to benzene?

Options

  1. ADecreased electron density at ortho- and para- positions
  2. BIncreased electron density at ortho- and para- positions
  3. CPresence of an electron-donating group
  4. DAbsence of a halogen atom

Correct answer

A. Decreased electron density at ortho- and para- positions

Step-by-step solution

Due to resonance, electron density increases more at ortho- and para- positions in benzene, leading to slower electrophilic substitution reactions in haloarenes.

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