When CH₃CH₂CHO reacts with PhNHNH₂ under conditions of acid catalysis, the major organic product is ________.

A) a ketone
B) a nitrile
C) an imine
D) an oxime
E) a hydrazone

Acid Catalysis

The acceleration of a chemical reaction by an acid, which functions by donating protons (H+ ions) to transitional states or reactant molecules.

Organic Product

A compound derived from living organisms or synthetic processes designed to mimic naturally occurring compounds, often involved in various chemical reactions.