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Byju's Answer
Standard XII
Chemistry
Bohr's Model of a Hydrogen Atom
The potential...
Question
The potential energy of the electron present in the ground state of
L
i
2
+
ion is represented by:
A
−
3
e
2
4
π
ε
0
r
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B
3
e
4
π
ε
0
r
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C
−
2
e
2
4
π
ε
0
r
2
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D
−
−
e
2
4
π
ε
0
r
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Solution
The correct option is
A
−
3
e
2
4
π
ε
0
r
As we know,
the potential energy of an electron in Bohr atomic model is
P
E
=
−
Z
e
2
4
π
ε
0
r
for
L
i
2
+
,
Z
=
3
(atomic no.)
so for
L
i
2
+
,
P
E
=
−
3
e
2
4
π
ε
0
r
Hence, the correct option is
A
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