AI(OH)_(2)darr ("white")+ OH^(-) rarr [AI(OH)_(4)]^(-) (soluble complex) Fe(OH)_(3) precipitate and AI(OH)_(3) precipitate can be separated by:

AI(OH)_(2)darr ("white")+ OH^(-) rarr [AI(OH)_(4)]^(-) (soluble comple

1.	AI(OH)_(2)darr ("white")+ OH^(-) rarr [AI(OH)_(4)]^(-) (soluble complex) Fe(OH)_(3) precipitate and AI(OH)_(3) precipitate can be separated by:
Answer» increasing the `OH^(-)` concentration by SODIUM hydroxide increasing the `H^(+)` concentration by hydrochloric acid (a) and (b) both None of the above SOLUTION :`NH_(4)^(+)AI(OH)_(4)^(-) rarr NH_(4)OH + AI(OH)_(3)darr` (Alizarin red S) `rarr` Red ppt. or lake in ammonical solution.