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Question
Chemistry
Which hydrogen like species will have same radius as that of Bohr orbit of hydrogen atom?
Q. Which hydrogen like species will have same radius as that of Bohr orbit of hydrogen atom?
1834
176
IIT JEE
IIT JEE 2004
Structure of Atom
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A
n
=
2
,
L
i
2
+
13%
B
n
=
2
,
B
e
3
+
58%
C
n
=
2
,
H
e
+
22%
D
n
=
3
,
L
i
2
+
7%
Solution:
Expression for Bohr's orbit is,
r
n
=
Z
a
0
n
2
=
a
0
when
n
=
2
,
Z
=
4
.