What type of following compounds is obtained in first step of Wolf-Kishner reduction of carbonyl compounds?

What type of following compounds is obtained in first step of Wolf-Kishner reduction of carbonyl compounds?
  1. Carboxylic Acids
  2. Alcohols
  3. Hydrazones
  4. Alkenes

Asked in: MHT CET 2024 (09 May Shift 2)

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