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Question
Chemistry
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol−1 ; hence the energy of fourth Bohr orbit would be
Q. The energy of second Bohr orbit of the hydrogen atom is
−
328
k
J
m
o
l
−
1
; hence the energy of fourth Bohr orbit would be
2234
204
UPSEE
UPSEE 2007
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A
−
41
k
J
m
o
l
−
1
B
−
1312
k
J
m
o
l
−
1
C
−
164
k
J
m
o
l
−
1
D
−
82
k
J
m
o
l
−
1
Solution:
The energy of second Bohr orbit of hydrogen atom
(
E
2
)
is
−
328
k
J
m
o
l
−
1
because
E
2
=
−
2
2
1312
k
J
m
o
l
−
1
∴
E
n
=
−
n
2
1312
k
J
m
o
l
−
1
If
n
=
4
∴
E
4
=
−
4
2
1312
k
J
m
o
l
−
1
=
−
82
k
J
m
o
l
−
1