During a chemical analysis, a student observes that only one primary alcohol reacts with iodine and NaOH to form yellow crystals. Which alcohol is it?
Q1. During a chemical analysis, a student observes that only one primary alcohol reacts with iodine and NaOH to form yellow crystals. Which alcohol is it?
Answer: Ethanol
Explanation: Ethanol is the only primary alcohol that gives a positive iodoform test because it is oxidized to acetaldehyde, which contains the required methyl-carbonyl group.