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Byju's Answer
Standard X
Chemistry
Ionization Enthalpy
Which of foll...
Question
Which of following orbital has maximum energy?
A
n
=
4
,
l
=
0
,
m
=
0
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B
n
=
3
,
l
=
2
,
m
=
0
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C
n
=
3
,
l
=
0
,
m
=
1
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D
n
=
3
,
l
=
1
,
m
=
0
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Solution
The correct option is
C
n
=
3
,
l
=
2
,
m
=
0
According to Aufbau principle, or
n
+
l
rule,
n
=
3
,
l
=
2
has maximum energy
because
3
+
2
=
5
which is maximum
Suggest Corrections
0
Similar questions
Q.
Arrange the electrons represented by the following sets of quantum numbers in decreasing order of energy.
(i)
n
=
4
,
l
=
0
,
m
l
=
0
,
m
s
=
+
1
2
(ii)
n
=
3
,
l
=
1
,
m
l
=
1
,
m
s
=
−
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2
(iii)
n
=
3
,
l
=
2
,
m
l
=
0
,
m
s
=
+
1
2
(iv)
n
=
3
,
l
=
0
,
m
l
=
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,
m
s
=
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2
Q.
In a multi-electron atom, which of the following orbitals, described by the three quantum numbers, will have the same energy in the absence of magnetic field and electric field?
(i)
n
=
1
,
l
=
0
,
m
=
0
(ii)
n
=
2
,
l
=
0
,
m
=
0
(iii)
n
=
3
,
l
=
1
,
m
=
1
(iv)
n
=
3
,
l
=
2
,
m
=
1
(v)
n
=
3
,
l
=
2
,
m
=
0
.
Q.
Arrange the electrons represented by following set of quantum numbers in decreasing order of energy.
(A)
n
=
4
,
l
=
0
,
m
=
0
,
s
=
+
1
2
(B)
n
=
3
,
l
=
1
,
m
=
1
,
s
=
−
1
2
(C)
n
=
3
,
l
=
2
,
m
=
0
,
s
=
+
1
2
(D)
n
=
3
,
l
=
0
,
m
=
0
,
s
=
−
1
2
Q.
The electrons represented by following set of quantum numbers in decreasing order of energy is:
a)
n
=
4
,
l
=
0
,
m
=
0
,
s
=
+
1
2
b)
n
=
3
,
l
=
1
,
m
=
1
,
s
=
−
1
2
c)
n
=
3
,
l
=
2
,
m
=
0
,
s
=
+
1
2
d)
n
=
3
,
l
=
0
,
m
=
0
,
s
=
−
1
2
Q.
The decreasing order of energy for the electrons represented by the following sets of quantum numbers is :
1. n = 4, l = 0, m = 0, s =
±
1/2
2 .n = 3, l = 1, m = 1, s = -1/2
3. n = 3, l = 2, m = 0, s = +1/2
4. n = 3, l = 0, m = 0, s = -1/2
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