
Why is AlF3 soluble in anhydrous HF only in the presence of KF?
Jan 7, 2017 · I find that $\ce{AlF3}$ is okayish soluble in water, see Wikipedia, so I am curious under what conditions it is insoluble in HF, because if we talk about an aqueous solution, then …
inorganic chemistry - Solubility of Aluminium Fluoride in other …
Jan 16, 2021 · As $\ce{AlF3}$ is a Lewis acid, I expect it to have higher solubility in solvents which have lone pair containing donor ; possibly the fluoride ion from $\ce{KF}$ may be such a …
ionic compounds - Why does aluminum chloride have a higher …
Dec 28, 2019 · However, the melting point of $\ce{AlF3}$ $(\pu{1291 °C})$ is larger than that of $\ce{AlCl3}$ $(\pu{192.4 °C}).$ I think the huge melting point difference is because …
inorganic chemistry - Thermal stability order of NaF, MgF2 and …
Apr 10, 2019 · Smaller cations can better hold small anions like fluoride. The larger the lattice enthalpy factor, the tougher thermal decomposition becomes. As atomic size decreases …
Comparing the Lattice energy of different compounds
Nov 25, 2018 · 1.Between $\ce{AlF3}$ and $\ce{MgO}$ (In $\ce{AlF3}$ product of ionic charge is $3\times1$ and in MgO it is $2\times 2$. So,according to me $\ce{MgO}$ should have higher …
Comparison of lattice energy - Chemistry Stack Exchange
Mar 20, 2020 · Which compound has largest amount of lattice energy among $\ce{AlF3}$ and $\ce{AlN}$. I think it should be $\ce{AlF3}$ because lattice energy in inversely proportional to …
inorganic chemistry - Lewis acidity order of Aluminum Halides ...
Jun 21, 2020 · According to Ref.1: The order of Lewis acidity of gaseous halides of aluminum is established to be $\ce{AlF3(g) < AlCl3(g) < AlBr3(g) \approx AlI3(g)}$. The order of Lewis …
Why does thallium form TlF and TlF3 but aluminium only forms …
Jan 8, 2017 · Ahh, Thallium is a very nice element. Because it's weird.. The +3 oxidation states are favorable except for the heavier elements, such as Tl, which prefer the +1 oxidation state …
Which is more acidic BF3 or AlCl3? - Chemistry Stack Exchange
Jan 24, 2018 · Actually, there are three reasons why BF3 is more acidic than AlCl3. BF3 is smaller in size and can easily attract the incoming pair of electrons.
Why is sodium hexafluoroaluminate formed instead of "tetra"?
Jan 11, 2023 · $$\ce{AlF3 + NaF \to Na3[AlF6]}$$ My question is why don't we get $\ce{Na[AlF4]}$, since when we do the same thing with hydroxides instead of fluorides …