bond - How is the structure of triiodide ion (I3-) possible ...
2018年8月20日 · The nonmolecular interactions with surrounding ions or dipole thus tend to break up the trihalide ions. With iodine the single atom is still a bit bulky and therefore the …
Is the triiodide ion polar? - Chemistry Stack Exchange
2015年12月23日 · Theoretical Study of the Solvent Effect on Triiodide Ion in Solutions J. Phys. Chem. A 1998, 102, 2065-2071, says that triiodide is linear in the gas phase, but "The free …
inorganic chemistry - Why triiodide ion does not form ionic bond …
2016年4月16日 · Even where the triiodide is stable, such pulling apart commonly occurs to some extent. From Wikipedia: In ionic compounds, the bond lengths and angles of triiodide vary …
molecular structure - Why does triiodide have only single bonds ...
2024年5月31日 · After all, it disperses formal charge and has a higher bond order. Yet, the triiodide ion being linear shows that the first structure is the correct one. Why? P.S.: A similar …
inorganic chemistry - Contact explosion of nitrogen triiodide ...
2015年7月20日 · Although the formula of nitrogen triiodide is usually written as $\ce{NI3}$, it would be more accurate to write $\ce{I3N}$, as the compound is thought to consist of $\ce{I+}$ …
Why isn't thallium triiodide stable? - Chemistry Stack Exchange
2016年4月14日 · Thallium triiodide does exist and it is formulated as $\ce{Tl+I3-}$ and not $\ce{Tl^3+(I^{-})3}$. Thus $\ce{TlI3}$ is a thallium(I) compound and contains the triiodide ion, …
inorganic chemistry - Is the 5d orbital involved in triiodide ion ...
2016年10月7日 · Is the $5\mathrm{d}$ orbital involved in the triiodide ion, $\ce{I3-}$? There are $5$ electron pairs around the central iodine. (Almost) all of the hypervalent compounds involve …
inorganic chemistry - Observations when mixing potassium …
2019年5月1日 · The keyword you should search is iodometric titration. Triiodide solutions are dark brown, just like the tincture of iodine. If you were to add thiosulfate ion (say from a buret) to the …
Isolating KI3 from solution - Chemistry Stack Exchange
2017年6月14日 · But as long as OP didn't mention explicitly that it must be water we isolate potassium triiodide from, there is a workaround, if one desperately want to get its crystals (in …
aqueous solution - Trichloride ion (c.f. triiodide ion) - Chemistry ...
2016年10月22日 · While triiodide ion is commonly known, why is that trichloride ion (and its salts) almost unheard of? While it does exist according to literature, why is the stability of trichloride …