If general formula of oxime and semicarbazone is $\mathrm{C}=\mathrm{N}-\mathrm{Z}$, what is ' $\mathrm{Z}$…

If general formula of oxime and semicarbazone is $\mathrm{C}=\mathrm{N}-\mathrm{Z}$, what is ' $\mathrm{Z}$ ' in oxime (I) semicarbazone (II)?
  1. $\mathrm{NHCONH}_2 \quad \mathrm{OH}$
  2. $\mathrm{OH} \quad \mathrm{NH}_2$
  3. $\mathrm{OH} \quad \mathrm{NHCONH}_2$
  4. $\mathrm{NH}_2 \mathrm{OH}$

Asked in: AP EAMCET 2019 (20 Apr Shift 2)

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