The compound 1, 2–Butadiene has _____?

SP . SP2 hybridized C-atoms

Sp–hybridized C-atoms

Sp² hybridized carbon atoms

None of these

1,2-Butadiene contains cumulene structure with adjacent double bonds (C=C=C), leading to sp-hybridization at the central carbon.

The terminal carbon atoms are sp²-hybridized, while the central carbon is sp-hybridized.