Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
In lake test of Al3+ ion, there is formation of coloured floating. It is due to :
Q. In lake test of
A
l
3
+
ion, there is formation of coloured floating. It is due to :
3370
208
The p-Block Elements
Report Error
A
adsorption of litmus by
H
2
O
9%
B
adsorption of litmus by
A
l
(
O
H
)
3
58%
C
adsorption of litmus by
A
l
(
O
H
)
4
−
-
23%
D
none of these
10%
Solution:
In lake test of
A
l
3
+
, a coloured floating lake is formed as
A
l
(
O
H
)
3
which being a solid surface (suspension), adsorbs litmus colour, resulting in coloured floating lake appearance.