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NEET2009ChemistryHaloalkanes and HaloarenesActual

Which of the following reactions is an example of nucleophilic substitution reaction?

Options

  1. ARX + KOH ROH + KX
  2. B2 RX +2 Na R - R +2 NaX
  3. CRX + H ₂ RH + HX
  4. DRX + Mg RMgX

Correct answer

A. RX + KOH ROH + KX

Step-by-step solution

Key Idea Nucleophilic substitution reactions involve substitution (replacement) of a group or atom by a nucleophile. aligned & KOH K ⁺+ OH ⁻ & RX + nucleophile OH ⁻ R - OH + KX & aligned

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