Home › CBSE Class 12 (Science) › Chemistry › Aldehydes, Ketones and Carboxylic Acids › Which nucleophile converts a carbonyl compound i…
Which nucleophile converts a carbonyl compound into a hydrazone?
AHydrazine
BHydroxylamine
CAmmonia
DSemicarbazide
Answer & Solution
Correct answer: A. Hydrazine
Hydrazine, H2N-NH2, condenses with C=O and loses water to leave C=N-NH2.
Related questions
Hydrogen cyanide adds across the C=O bond of an aldehyde to give which compound?In both Clemmensen and Wolff-Kishner reductions, the carbonyl oxygen is replaced by what?Which solvent is used in the Wolff-Kishner reduction because of its high boiling point?Which reagent pair carries out the Clemmensen reduction of a carbonyl compound?What does Tollens' reagent oxidise an aldehyde to, while silver ion is reduced?Why are ketones not oxidised by mild oxidising agents?Besides aldehydes, which type of ketone also gives a positive Fehling test?In the Fehling test, what is the red precipitate formed with an aldehyde?