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The hydrogen -like species Li^(2+) is in...

The hydrogen -like species `Li^(2+)` is in a spherically symmetric state `S_(1)` with one node. Upon absorbing light , the ion undergoes transition to a state `S_(2)`. The state `S_(2)` has one radial node and its energy is equal is to the ground state energy of the hydrogen atom.
The sate `S_(1)` is

A

1s

B

2s

C

`2rho`

D

3s

Text Solution

Verified by Experts

The correct Answer is:
B
s- orbital with one radial node orbital is 2s
`:. S_(1) = 2s, S_(2) = 3p [ :' "radial node" =1 "for" S_(2), E_(S_(2)) = E_(H)]`
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The hydrogen-like species Li^(2+) is in a spherically symmetric state S_(1) with one radial node. Upon absorbing light the ion undergoes transition to a state S_(2) . The state S_(2) has one radial node and its energy is equal to the ground state energy of the hydrogen atom. Q. The state S_(1) is:

The hydrogen -like species Li^(2+) is in a spherically sysmmetric state S_(1) with one node ,Upon ansorbing light , the ion undergoes transition to a state S_(2) The state s_(2) has one radial node and its energy is equal is to the ground state energy of the hydrogen atom Energy of the state S_(1) in units of the hydrogen atom ground state enegy is

Knowledge Check

  • The hydrogen like species Li^(2+) is in a spherically symmetric state S_(1) with one radial node. Upon absorbing light, the ion undergoes transition to a state S_(2) . The state S_(2) has one radial node and its energy is equal to the ground state energy of the hydrogen atom The state S_(1) is

    A
    1s
    B
    2s
    C
    2p
    D
    3s, 4d

  • The hydrogen -like species Li^(2+) is in a spherically sysmmetric state S_(1) with one node ,Upon ansorbing light , the ion undergoes transition to a state S_(2) The state s_(2) has one radial node and its energy is equal is to the ground state energy of the hydrogen atom The sate S_(1) is

    A
    1s
    B
    2s
    C
    2p
    D
    3s

  • The hydrogen -like species Li^(2+) is in a spherically symmetric state S_(1) with one radial node. Upon absorbing light the ion undergoes transition to a state S_(2) . The state S_(2) has one radial node and its energy is equal to the ground state energy of the hydrogen atom. Energy of the state S_(1) in units of, the hydrogen atom in ground state energy is

    A
    `0.75`
    B
    `1.50`
    C
    `2.25`
    D
    `4.50`

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