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Class 12 NEET Chemistry D And F Block Elements Questions
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© examsnet.com
Question : 16
Total: 108
If radius of second Bohr orbit of the
H
e
+
ion is
105.8
p
m
, what is the radius of third Bohr orbit of
L
i
2
+
ion?
158.7
p
m
15.87
p
m
1.587
p
m
158.7
Å
Validate
Solution:
👈: Video Solution
r
n
∝
n
2
Z
r
3
(
L
i
2
+
)
r
2
(
H
e
+
)
=
(
n
3
)
2
Z
(
L
i
2
+
)
×
Z
(
H
e
+
)
(
n
2
)
2
r
3
(
L
i
2
+
)
105.8
=
(
3
)
2
3
×
2
(
2
)
2
=
105.8
×
3
2
r
3
(
L
i
2
+
)
=
158.7
p
m
© examsnet.com
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