alleryAniline heated with sulphuric acid finally yields:
ASulphurylic acid
BSulphanilic acid
CSulphamidic acid
DSulphinylic acid
Answer & Solution
Correct answer: B. Sulphanilic acid
1. Aniline first gives anilinium hydrogensulphate.
2. Heating that salt rearranges it to the para product.
3. That product is sulphanilic acid.
_Source: syllabus Chemistry Part 2, Unit 9 'Amines'_
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