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Chemistry
Aluminium reacts with NaOH and forms compound ' X '. If the coordination number of aluminium in ' X 'is 6 , the correct formula of X is
Q. Aluminium reacts with
N
a
O
H
and forms compound '
X
'. If the coordination number of aluminium in '
X
'is
6
, the correct formula of
X
is
1823
194
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A
[
A
l
(
H
2
O
)
4
(
O
H
)
2
]
+
B
[
A
l
(
H
2
O
)
3
(
O
H
)
3
]
C
[
A
l
(
H
2
O
)
2
(
O
H
)
4
]
−
D
[
A
l
(
H
2
O
)
6
]
(
O
H
)
3
Solution:
2
A
l
+
2
N
a
O
H
+
2
H
2
O
⟶
sodium meta aluminate
2
N
a
A
l
O
2
+
3
H
2
Sodium metaaluminate, thus formed, is soluble in water and changes into the complex
[
A
l
(
H
2
O
)
2
(
O
H
)
4
]
−
, in which coordination
number of
A
l
is
6.