Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
The metal hydroxide which is soluble in excess of ammonium hydroxide is
Q. The metal hydroxide which is soluble in excess of ammonium hydroxide is
2485
261
COMEDK
COMEDK 2009
The d-and f-Block Elements
Report Error
A
Fe
(
OH
)
X
2
15%
B
Fe
(
OH
)
X
3
24%
C
Cu
(
OH
)
X
2
42%
D
Al
(
OH
)
X
2
19%
Solution:
The metal hydroxide which is soluble in excess of ammonium hydroxide is
C
u
(
O
H
)
2
. It forms soluble complex tetramminecupric hydroxide
[
C
u
(
N
H
3
)
4
]
(
O
H
)
2
C
u
(
O
H
)
2
+
4
N
H
4
O
H
→
[
C
u
(
N
H
3
)
4
]
(
O
H
)
2
+
4
H
2
O