Give a test to distinguish between propan-2-one and penten-3-one.

Give a test to distinguish between propan-2-one and penten-3-one.
Give a test to distinguish between propan-2-one and penten-3-one.
Give a test to distinguish between propan-2-one and penten-3-one.
Give a test to distinguish between propan-2-one and penten-3-one.

penten-3-one.