A) H3O+ B) H2O. The bond angles in the table below are ideal angles from the simple VSEPR theory (pronounced "Vesper Theory"), followed by the actual angle for the example given in the following column where this differs. The H−O−H bond angle is approximately 113°, and the center of mass is very close to the oxygen atom. Top. Oxygen is in group 6 - so has 6 outer electrons. Since H3O+ has a lone pair and three bonds… Question. Explain? 33 views Which species has the smaller bond angle, H3O + or H2O? Asked Aug 9, 2020. Can someone please help me determine the bond angles at the central atom of the hydronium ion, H3O+? I am assuming you are asking for a predicted bond angle rather than the actual bond angle. Reva Kakaria 1J Posts: 62 Joined: Fri Sep 28, 2018 7:23 am Been upvoted: 1 time. See Answer. For H3O^+ provide a Lewis structure, predicted VSEPR molecular geometry, bond angle, and indicate whether the compound is polar, non polar, or polyatomic ion. Which species has the smaller bond angle, H3O + or H2O? Step-by-step answers are written by subject experts who are available 24/7. … Take one off for the +1 ion, leaving 8. check_circle Expert Answer. Want to see the step-by-step answer? Thus, the bond angle is slowly expanded until an optimum is reached at 104.5°. Re: Bond angles of H3O+ Post by Reva Kakaria 1J » Mon Nov 19, 2018 9:27 pm . The bond angles in are greater than and less than .. Reason:- Valence shell electron pair repulsion (VSEPR) theory states that- lone –lone repulsion. Determine the electron geometry (eg), molecular geometry (mg), and polarity of SO3. lone pair-bond pair repulsion >bond pair-bond pair repulsion. Because the base of the pyramid is made up of three identical hydrogen atoms, the H 3 O + molecule's symmetric top configuration is such that it belongs to the C 3v point group. In , there is no lone pair of electrons, only bond pair bond pair repulsion exists which is very negligible.So the bond angle remain The bond angle of H3O+ predicted using VSEPR (valence shell electron pair) theory would be 107o. Thank you. Check out a sample Q&A here. B) H2O. Want to see this answer and more? Which species has the smaller bond angle, H3O+ or H2O? The explanation that your source gives for the bond angle of water being smaller than 109° is actually wrong. Bond angles of H3O+ Post by Madelyn Cearlock » Mon Nov 19, 2018 9:23 pm . Explain? A better consideration is to start from a hypothetic bond angle of 90° (two p orbitals used for a sigma bond each) but then realising that the hydrogens would end up too close together. Add 1 for each hydrogen, giving 9. For many cases, such as trigonal pyramidal and bent, the actual angle for the example differs from the ideal angle, and examples differ by different amounts. This gives 4 pairs, 3 of which are bond pairs.