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Class 11 NEET Chemistry Structure Of Atom Questions
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© examsnet.com
Question : 3
Total: 82
The energy of an electron in the ground state
(
n
=
1
)
for
He
+
ion is
−
x
J
, then that for an electron in
n
=
2
state for
Be
3
+
ion in
J
is
[NEET 2024]
−
x
−
x
9
−
4
x
−
4
9
x
Validate
Solution:
👈: Video Solution
E
n
=
−
R
H
(
z
2
n
2
)
J
For
He
*
(
n
=
1
)
,
E
n
=
−
x
=
−
R
H
(
2
2
1
2
)
=
−
4
R
H
∴
R
H
=
x
4
For
Be
3
+
(
n
=
2
)
,
E
n
=
−
R
H
(
Z
2
n
2
)
J
=
−
x
4
×
(
4
×
4
2
×
2
)
=
−
x
J
© examsnet.com
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