MHT CET Chemistry Question (2026) — Solution

Step-by-step solution

Oxidative rancidity is the process of autoxidation of lipids (fats and oils) exposed to oxygen, resulting in unpleasant odors and flavors. This autoxidation proceeds via a free radical chain reaction mechanism. The mechanism involves three main steps: initiation (formation of lipid free radicals), propagation (reaction of lipid radicals with oxygen to form peroxyl radicals, which abstract hydrogen from other lipid molecules), and termination (combination of radicals to form stable, non-radical products). Therefore, oxidative rancidity is a free radical chain reaction. Answer: free radical chain reaction