3 Question From the given list, select the molecule which has at least one carbon atom in the sp -hybrid state. Answer 1. ethylene 2. propadiene 3. benzene 4. toluene 5. styrene

The molecule that has at least one carbon atom in the sp-hybrid state is option 2: propadiene. In propadiene, each carbon atom forms two sigma bonds and two pi bonds, resulting in one sp-hybridized carbon atom.