Question
Identify the product obtained when ketone reacts with NH _2- NH _2.
MHT CET
Chemistry
Aldehydes and Ketones
2026
MHT CET 2026 (13 April Shift 1)
MHT CET Chemistry Question (2026) — Solution
Options
- A. Aniline
- B. Hydrazone
- C. Phenyl hydrazone
- D. Anisole
Answer
B. Hydrazone
Step-by-step solution
Ketones react with hydrazine (H_2N-NH_2) to form hydrazones. The reaction proceeds via nucleophilic addition of hydrazine to the carbonyl group, followed by the elimination of a water molecule. R_2C=O + H_2N-NH_2 R_2C=N-NH_2 + H_2O The resulting product, R_2C=N-NH_2, is known as a hydrazone. Answer: Hydrazone
Related: Chemistry — Aldehydes and Ketones · All PYQ Banks