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Which of the following species are expec...

Which of the following species are expected to give the line spectrum similar to that of hydrogen atom?

A

He(g)

B

`Li^(2+) (g)`

C

`He^(+) (g)`

D

D(g)

Text Solution

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The correct Answer is:
B, C, D
Species having single electron give line spectrum, similar to that of hydrogen atom.
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