Answer :
Answer:
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of
C
o
3
+
is:
[
C
o
(
N
H
3
)
6
]
3
+
<
[
C
o
(
e
n
)
3
]
3
+
<
[
C
o
(
H
2
O
)
6
]
3
+
[
C
o
(
e
n
)
3
]
3
+
<
[
C
o
(
N
H
3
)
6
]
3
+
, d
<
[
C
o
(
H
2
O
)
6
]
3
+
[
C
o
(
H
2
O
)
6
]
3
+
<
[
C
o
(
e
n
)
3
]
3
+
<
[
C
o
(
N
H
3
)
6
]
3
+
[
C
o
(
H
2
O
)
6
]
3
+
<
[
C
o
(
N
H
3
)
6
]
3
+
<
[
C
o
(
e
n
)
3
]
3
+ d option is