Solution: Consider the compound ethene, C2H4. The bond between the two carbons that is formed above and below the internuclear axis is a     ?      bond. The atomic orbitals that combine to form this bond are      ?      orbitals. 1. σ ; sp3 2. π ; sp2 3. π ; 2p 4. π ; 1p 5. σ ; sp2

Problem

Consider the compound ethene, C2H4. The bond between the two carbons that is formed above and below the internuclear axis is a     ?      bond. The atomic orbitals that combine to form this bond are      ?      orbitals.

1. σ ; sp3

2. π ; sp2

3. π ; 2p

4. π ; 1p

5. σ ; sp2