1.

Al(OH)_(3) darr "(white)" + OH^(-) to [Al(OH)_(4)]^(-) soluble complex Identify the correct statement with respect to the gelatinous white precipitate of aluminum hydroxide.

Answer»

FRESH precipitate dissolves by the ADDITION of strong acid and base
Precipitate develops red lake with ALIZARIN reagent.
White precipitate is SLIGHTLY soluble in excess of ammonia solution.
all of these

Solution :`Al(OH)_(3)` + Alizarin + Red lake on `Al(OH)_(3)`


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