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Al(OH)(3) darr "(white)" + OH^(-) to [Al...

`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.

A

Fresh precipitate dissolves by the addition of strong acid and base

B

Precipitate develops red lake with alizarin reagent.

C

White precipitate is slightly soluble in excess of ammonia solution.

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
`Al(OH)_(3)` + Alizarin + Red lake on `Al(OH)_(3)`
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