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TiCl4 reacts with THF to form Ticl4(thf)2 why does Ticl4(thf)2 react more slowly with water than...

TiCl4 reacts with THF to form Ticl4(thf)2
why does Ticl4(thf)2 react more slowly with water than Ticl4?

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Answer #1

TiCl4 finds occasional use in organic synthesis, capitalization on its Lewis acidity, its oxophilicity and e- - transfer properties.

TiCl4 is a Lewis acid as implicated by its tendency to hydrolyze. It reacts violently with water (exothermic reaction) to form titanium oxide and HCl as:

TiCl4 + 2H2O → TiO2 + 4HCl

However, TiCl4 reacts with THF to give yellow crystals of TiCl4(THF)2

As reactivity of TiCl4 with water is due to its Lewis acidity. But TiCl4(THF)2 complex has reduced Lewis acidity ( Lewis acidic character) as compared to TiCl4 as shown in reaction above.

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