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JEE Main 9 Apr 2024 Shift 2 Solved Paper
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© examsnet.com
Question : 67
Total: 90
Match List I with List II
LIST-I
LIST-II
A.
K
2
[
Ni
(
CN
)
4
]
I.
s
p
3
B.
[
Ni
(
CO
)
4
]
II.
s
p
3
d
2
C.
[
Co
(
NH
3
)
6
]
Cl
3
III.
dsp
2
D.
Na
3
[
CoF
6
]
IV.
d
2
s
p
3
Choose the correct answer from the options given below:
[9 Apr 2024 Shift 2]
A-III, B-I, C-II, D-IV
A-III, B-II, C-IV, D-I
A-I, B-III, C-II, D-IV
A-III, B-I, C-IV, D-II
Validate
Solution:
(A)
K
2
[
Ni
(
CN
)
4
]
Ni
2
+
:
[
Ar
]
3
d
8
4
s
∘
,
(
CN
−
.
is S.F.L
)
Pre hybridization state of
Ni
+
2
(B)
[
Ni
(
CO
)
4
]
Ni
:
[
Ar
]
3
d
8
4
s
2
CO
is S.F.L, so pairing occur
Pre hybridization state of
Ni
(C)
[
Co
(
NH
3
)
6
]
Cl
3
Co
+
3
:
[
Ar
]
3
d
6
4
s
0
With
Co
3
+
,
NH
3
act as S.F.L
(d)
Na
3
[
CoF
6
]
Co
3
+
:
[
Ar
]
3
d
6
(
F
⊕
:
W.F.L
)
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