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Byju's Answer
Standard XII
Chemistry
Multi-Electron Configurations and Orbital Diagrams
Write the fol...
Question
Write the following in increasing energy orders : 3d, 5s, 6s, 4f, 4d
A
4f < 6s < 4d < 5s < 3d
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B
4f > 6s > 4d > 5s > 3d
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C
4f > 4d > 6s > 5s > 3d
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D
4f > 6s > 5s > 4d > 3d
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Solution
The correct option is
B
4f > 6s > 4d > 5s > 3d
According to molecular diagram increasing order of energy levels
3
d
,
5
s
,
6
s
,
4
f
,
4
d
is
3
d
<
5
s
<
4
d
<
6
s
<
4
f
i.e.
4
f
>
6
s
>
4
d
>
5
s
>
3
d
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Similar questions
Q.
The element having electronic configuration [Kr]
4
d
10
4
f
14
5
s
2
5
p
6
5
d
2
6
s
2
belongs to:
Q.
Arrangement of the following group of orbitals in which they fill with electrons :
(5f, 6p, 4p, 6s, 4d, 4f )
Q.
Identify the subshell in which electrons with the following quantum numbers are found :
1. n = 4, l = 2
2. n = 6, l = 0
Q.
The elements having the general configuration,
4
f
1
−
14
5
s
2
5
p
6
d
0
−
1
6
s
2
are referred as
Q.
Statement I: The
5
s
orbital is filled after the
4
d
orbital
BECAUSE
Statement II: The
5
s
orbital has a lower energy than the
4
d
orbital
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