Introducing halogen using copper powder and a halogen acid is the:
AGalvanic reaction
BGatterman reaction
CGrignard reaction
DGattering reaction
Answer & Solution
Correct answer: B. Gatterman reaction
1. Copper powder replaces the cuprous halide here.
2. The halogen acid supplies the halide ion.
3. This variant is the Gatterman reaction.
_Source: NCERT Class 12 Chemistry Part 2, Unit 9 'Amines'_
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