Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is
Q. Among the electrolytes
N
a
2
S
O
4
,
C
a
C
l
2
,
A
l
2
(
S
O
4
)
3
and
N
H
4
Cl
, the most effective coagulating agent for
S
b
2
S
3
sol is
4153
165
AIEEE
AIEEE 2009
Surface Chemistry
Report Error
A
N
a
2
S
O
4
9%
B
C
a
C
l
2
10%
C
A
l
2
(
S
O
4
)
3
74%
D
N
H
4
Cl
8%
Solution:
S
b
2
S
3
is a negative (anionic) sol. According to Hardy Schulze rule, greater the valency of cationic coagulating agent, higher its coagulating power. Therefore,
A
l
2
(
S
O
4
)
3
will be the most effective coagulating agent in the present case.