MCQ
Diphenyl hydrazine is same as:
- AAzoxybenzene
- BAzobenzene
- ✓Hydrazobenzene
- DAniline

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Statement $I$ : Sulphanilic acid gives esterification test for carboxyl group.
Statement $II$ : Sulphanilic acid gives red colour in Lassigne's test for extra element detection.
In the light of the above statements, choose the most appropriate answer from the options given below :