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CHEM 121 Studioby Learn4Less · UBC CHEM 121

Structure card

Sulfur dioxide · SOX2\ce{SO2}

OSO
Central S atom bonded to 2 O atoms, with 1 lone pair.SOO120°Ideal bond angle: 120°
VSEPR class
AX2E\mathrm{AX_2E}
Electron geometry
trigonal planar
Shape
bent
Bond angle
120° (slightly less than 120° (the lone pair pushes the bonds together))
Hybridization (S)
sp2sp^{2}
Formal charges
O −1, S +1
Also accepted
expanded-octet structure with lower formal charges