Reduction of nitro compounds with iron scrap uses which acid?
AHydrochloric
BHydrocyanic
CHydrofluoric
DHydrobromous
Answer & Solution
Correct answer: A. Hydrochloric
1. Iron scrap is used with an acid in this reduction.
2. The ferrous chloride formed hydrolyses and releases the acid again.
3. The acid used is hydrochloric acid.
_Source: NCERT Class 12 Chemistry Part 2, Unit 9 'Amines'_
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