Which among the following compounds does not correctly match with its formula?

Which among the following compounds does not correctly match with its formula?
  1. Hydrazine: $\mathrm{NH}_2-\mathrm{NH}_2$
  2. Semicarbazide: $\mathrm{NH}_2-\mathrm{NH}-\mathrm{CO}-\mathrm{NH}_2$
  3. Phenylhydrazine: $\mathrm{C}_6 \mathrm{H}_5-\mathrm{NH}-\mathrm{NH}-\mathrm{C}_6 \mathrm{H}_5$
  4. Hydroxylamine: $\mathrm{NH}_2-\mathrm{OH}$

Solution

The correct formula of Phenyl hydrazine is $\mathrm{NH}_2-\mathrm{NH}-\mathrm{C}_6 \mathrm{H}_5$

Asked in: MHT CET 2024 (09 May Shift 1)

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