How many of the reactions/transformation are correctly matched with respect to reaction condition or/and nature of reaction/reagent used for the process to be feasible?

S. No	Reactions/transformation	Condition/reagent/nature of reaction
I	$B{i}^{3+}\to Bi{O}^{+}$	Hydrolysis
II	$Al{O}_2^{-}\to Al{\left(OH\right)}_3$	Large excess of water
III	$H_{3}P{O}_4\to H_4{P}_2{O}_7$	Heat
IV	$B_4{O}_7^{2-}\to B{\left(OH\right)}_3$	Acidification
V	$A{l}_2{O}_3+C+N_2\to AIN+CO$	Heat
VI	$Bi{I}_3\to BiOI$	Hot/Boiling water
VII	$N{a}_2{O}_2\to H_2{O}_2$	Ice-Cold water
VIII	$NaB{H}_4\to B_2{H}_6$	Oxidation by  $I_2$
IX	$HgS+{\text{concentrated\hspace{0.17em}HNO}}_3\to \text{Clear solution}$	Heat