Which molecule has a linear geometry?
- H₂O
- NH₃
- CO₂
- CH₄
Answer: CO₂
CO₂ has sp hybridization with two double bonds, resulting in linear shape (180° bond angle). H₂O (bent), NH₃ (pyramidal), CH₄ (tetrahedral). VSEPR theory application. [[NCERT Chemistry Class 11]]