In lake test for Al3+ ions, there is the formation of coloured ‘floating lake’. It is due to:

Question. In lake test for Al3+ ions, there is the formation of coloured ‘floating lake’. It is due to:

(a)Absorption of litmus by [Al(OH)4]

(b)Absorption of litmus by Al(OH)3

(c)Adsorption of litmus by [Al(OH)4]

(d) Adsorption of litmus by Al(OH)3

Answer: (d) Adsorption of litmus by Al(OH)3

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