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Tardigrade
Question
Chemistry
Two complexes [Cr(H2O6)Cl3] (A) and [Cr(NH3)6]Cl3 (B) are violet and yellow coloured, respectively. The incorrect statement regarding them is :
Q. Two complexes
[
C
r
(
H
2
O
6
)
C
l
3
]
(
A
)
and
[
C
r
(
N
H
3
)
6
]
C
l
3
(
B
)
are violet and yellow coloured, respectively. The incorrect statement regarding them is :
4948
189
JEE Main
JEE Main 2019
Coordination Compounds
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A
Δ
0
value of (A) is less than that of (B).
13%
B
Δ
0
value of (A) and (B) are calculated from the energies of violet and yellow light, respectively
49%
C
Bothe absorb energies corresponding to their complementary colors.
18%
D
Bothe are paramagnetic with three unpaired electrons.
20%
Solution:
Δ
0
order will be compared by spectro chemical series not by energies of violet & yellow light so
Δ
0
order is
[
C
r
(
H
2
O
)
6
]
C
l
3
<
[
C
r
(
N
H
3
)
6
]
C
l
3