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The geometry of the compound is : \( \boldsymbol{C H}_{2}=\boldsymbol{C H}-\boldsymbol{C H}=\boldsymbol{C H}_{2} \)

1. tetrahedral
2. linear
3. planar
4. pyramidal

Correct answer: planar

Solution

In CH2=CH-CH=CH2, every carbon involved in the double bonds is sp2-hybridized, giving trigonal planar geometry around each carbon. Because the π bonds require parallel p orbitals, the molecule is overall planar.

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