Asked by Sheila

You are analyzing a solid isolated from a reaction and find that its boiling point is over 1000 ∘C. You dissolve the compound in water solution and recrystallize it to produce some solid crystals that you use to determine that the compound is a crystalline solid. Which of the following could be the identity of the unknown solid?
Phosphorus tribromide PBr3
Silicon carbide SiC
Sodium iodide NaI
Iron (II) chloride FeCl2
thank you
Answered by DrBob222
Both NaI and FeCl2 boil above 1000 C but FeCl2 is difficult (if not impossible) to recrystallize from H2O; therefore, I would go with NaI.
Answered by Mia
There are actually 2 answers to this question. So, you don't have to pick just one.
Answered by connie
Silicon carbide SiC
Answered by yoyoyo
sodium iodide
MgCl2
Answered by lisa
The answer is NaI & FeCl2.
Answered by Jaden
Beryllium Fluoride BeF2
Magnesium Chloride MgCI2

Answered by Kaeley
Fecl2 and Bef2
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