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Tardigrade
Question
Chemistry
A solution of MgCl2 in water has pH
Q. A solution of
M
g
C
l
2
in water has pH
3865
221
The s-Block Elements
Report Error
A
<7
37%
B
> 7
32%
C
7
20%
D
14.2
11%
Solution:
A solution
M
g
C
l
2
in water is acidic
(
p
H
<
7
)
due to hydrolysis.
M
g
C
l
2
+
2
H
2
O
⟶
M
g
(
O
H
)
2
+
2
H
+
+
2
Cl