Q2. Write a test to differentiate between pentan-2-one and pentan-3-one.
Answer: The iodoform test can distinguish Pentan-2-one and pentan-3-one. Iodoform test: Pentan-2-one, a methyl ketone, responds to the iodoform test. But pentan-3-one, not being a methyl ketone, does not respond to the iodoform test. CH3CH2CH2COCH3 + 3NaOI → CH3CH2CH2COONa + CHI3(Yellow ppt of Iodoform) + 2NaOH CH3CH2COCH2CH3 + NaOI → No yellow ppt of iodoform
