Answer
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Hint: To compare the stability of compounds containing similar chemical species we can look at whether the reaction is endothermic or exothermic. Another way to check stability is to check whether the compound exists in normal conditions.
Complete step by step solution:
Let’s understand each of the following compounds:
\[Tl{{F}_{3}}\] Is titanium fluoride. It is an inorganic compound. It is solid, having a violet colour. The melting point of titanium fluoride is 550-degree centigrade.
\[TlC{{l}_{3}}\] Is titanium chloride. It is an inorganic compound. Titanium chloride is one of the most common halides of titanium and it is also used as a catalyst for polyolefin. Solid titanium chloride is unstable and it easily disproportionate at 40-degree centigrade.
\[TlB{{r}_{3}}\] Is titanium bromide. It is also an inorganic compound which has a blue-black colour. Titanium bromide is paramagnetic in nature and it has a reddish reflection. It is used as a catalyst for polymerization of alkenes. The melting point of titanium chloride is 39-degree centigrade.
\[Tl{{I}_{3}}\] Is titanium iodide. It is also an inorganic compound which has a dark violet colour. Titanium iodide is highly unstable, it is insoluble in solvents.
Hence the correct answer is an option (A), the most stable compound is \[Tl{{F}_{3}}\].
Note: Titanium halides are formed when titanium is treated with dry halides. Titanium fluoride is formed when titanium reacts with fluorine at 150-degree centigrade, Titanium chloride is formed when titanium reacts with chlorine at 300-degree centigrade, Titanium bromide is formed when titanium reacts with bromine at 360-degree centigrade, and Titanium iodide is formed when titanium reacts with iodine at 55-degree centigrade.
Complete step by step solution:
Let’s understand each of the following compounds:
\[Tl{{F}_{3}}\] Is titanium fluoride. It is an inorganic compound. It is solid, having a violet colour. The melting point of titanium fluoride is 550-degree centigrade.
\[TlC{{l}_{3}}\] Is titanium chloride. It is an inorganic compound. Titanium chloride is one of the most common halides of titanium and it is also used as a catalyst for polyolefin. Solid titanium chloride is unstable and it easily disproportionate at 40-degree centigrade.
\[TlB{{r}_{3}}\] Is titanium bromide. It is also an inorganic compound which has a blue-black colour. Titanium bromide is paramagnetic in nature and it has a reddish reflection. It is used as a catalyst for polymerization of alkenes. The melting point of titanium chloride is 39-degree centigrade.
\[Tl{{I}_{3}}\] Is titanium iodide. It is also an inorganic compound which has a dark violet colour. Titanium iodide is highly unstable, it is insoluble in solvents.
Hence the correct answer is an option (A), the most stable compound is \[Tl{{F}_{3}}\].
Note: Titanium halides are formed when titanium is treated with dry halides. Titanium fluoride is formed when titanium reacts with fluorine at 150-degree centigrade, Titanium chloride is formed when titanium reacts with chlorine at 300-degree centigrade, Titanium bromide is formed when titanium reacts with bromine at 360-degree centigrade, and Titanium iodide is formed when titanium reacts with iodine at 55-degree centigrade.
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