Translate the following chemical reactions into JSON format:

Реакции алюминия:

\( \text{AlCl}_3 \rightarrow \text{Al(OH)}_3 \rightarrow \text{NaAlO}_2 \)

\( \text{Al}_2\text{(SO}_4\text{)}_3 \rightarrow \text{Al(OH)}_3 \rightarrow \text{AlCl}_3 \rightarrow \text{NaAlO}_2 \)

Реакции железа:

\( \text{Fe} \rightarrow \text{FeCl}_2 \rightarrow \text{Fe(OH)}_2 \rightarrow \text{FeO} \rightarrow \text{Fe(OH)}_2 \)

\( \text{Fe}_2\text{O}_3 \rightarrow \text{FeCl}_3 \rightarrow \text{FePO}_4 \rightarrow \text{Fe}_2\text{O}_3 \rightarrow \text{Fe(OH)}_3 \)