Why Is H2s Bond Angle Smaller Than H2o, On the Pauling scale, the sulfur atom has an electronegativity value of 2. May 29, 2019 · In case of H2O molecule, as oxygen is small in size and has high electronegativity value, the bp are closer due to which it is subjected to larger repulsion (bo-bp). 5° due to weaker lone pair repulsion. In case of H2 S as S atom is larger than O, bp-bp repulsion is less as compared to H2O and it is true for H2 Se and H2 Te as well. Aug 7, 2014 · We could fine tune our answer by saying that in order to reduce repulsion between the bonding electrons in the two $\ce {X-H}$ bonds the angle opens up a bit wider. The electronegativity of sulfur is lower, leading to longer bond lengths and significantly less repulsion between the bonding pairs. The question asks why water has a larger angle than other hydrides of the form $\ce {XH2}$ in particular $\ce {H2S}$ and $\ce {H2Se}$. Unlike water (H 2 O), H 2 S has a weaker bond angle because sulfur’s larger size and weaker electronegativity reduce lone pair repulsion. 20. Mar 20, 2020 · Why bond angle of H2O is higher than H2S? Bond angle of H2O is larger because oxygen is more electronegative than sulphur therefore bond pair electron of O–H bond will be closer to oxygen and there will be more bond-pair bond-pair repulsion between bond pairs of two O–H bonds. Jun 1, 2024 · The bond angle in H2S is smaller than the bond angle in H2O due to the larger size of the sulfur atom compared to the oxygen atom. 58, while the hydrogen atom has a value of 2. Unlike water (H 2 O), H 2 S has a weaker bond angle because sulfur’s larger size and weaker electronegativity reduce lone pair repulsion. This bent shape arises from sp3 hybridization, where sulfur’s larger size and fewer lone pairs than oxygen reduce electron repulsion. . This results in a bond angle of around 92 degrees in H2S, similar to the bond angle in water of approximately 104 degrees. Jun 19, 2025 · Why is the bond angle in H2S smaller than that in H2O, although both possess a bent shape? The bond angle in a molecule depends on the arrangement of bonding electrons around the central atom and the repulsion between these electron pairs. Jan 7, 2026 · This bending results in a measured H-S-H bond angle of approximately 92 degrees. Understanding this angle helps explain H 2 S’s physical properties, reactivity, and role in geochemistry and biology. 1°, slightly less than water’s 104. Electronegativity: Oxygen is more electronegative than sulfur. The molecular geometry of H2O is bent or angular. Aug 16, 2015 · Now we just have to decide whether $\ce {H2O}$ or $\ce {H2S}$ has a smaller bond angle. This causes the bonding electron pairs in H2O to be pulled closer to oxygen, increasing the repulsion between lone pairs and bonding pairs, which increases the bond angle. Why Hydrogen Sulfide is Polar The polarity of hydrogen sulfide arises from the combination of its polar bonds and its bent molecular geometry. 95hc7, g5bva, mmvi9, 8er, lukmul, ct1rq, ismpifp, 25o7, hs, 7ago,