Practice question
Question
Arrange in increasing order of reactivity with NH₂OH: CH₃CH₂CHO, CH₃COCH₂CH₃, C₆H₅CHO.
Explanation
Reactivity decreases with steric hindrance and conjugation: CH₃COCH₂CH₃ (ketone) < C₆H₅CHO (aromatic aldehyde) < CH₃CH₂CHO (aliphatic aldehyde).