Question

arrange them in ascending order of acidic strength -


B2O3, Al2O3 , Ga2O3 , In2O3 , Tl2O​

Answer 1

AI203 < B203 < GA203 < IN203 < TI20

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Answer 2

B2O3 < Al2O3 < Ga2O3 < In2O3 < TI2Ois the ascending order of acidic strength

Explanation:

1.An acid gets its characteristics from the hydrogen atoms of its molecules. Strong acids have weakly bound hydrogen atoms, and the molecules easily separate from them in solution. How many of these hydrogen atoms dissociate and form hydrogen ions determines the strength of an acid.

2.Carborane superacids can be considered the strongest solar acid in the world because fluoroantimonic acid is, in reality, a mixture of hydrofluoric acid and pentafluoride antimony. Carborane comes with a pH value of -1

3. the strength of an acid in an organic compound is directly proportional to the stability of the acid's conjugate base. In other words, an acid that has a more stable conjugate base will be more acidic than an acid that has a less stable conjugate base.

4.boron trioxide i.e., b2o3 is an anhydride(when reacted with water, it becomes​ boric acid) of boric acid I.e., b(oh)3 or h3bo3. Hence, it is said to be acidic.

5.But, in the case of aluminium, since it is a metalloid( neither exactly a metal nor a non metal) and has decreased non metallic properties compared to boron, the oxide of aluminium is amphoteric( neither acidic nor basic) in nature.