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Do you expect the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process.
[Ne] 3s23p3 → [Ne] 3s13p3 + e- ,
Be larger than, smaller than, or the same as the 4th io nization energy (IE4) of phosphorus:a)Larger
b) Smaller
c)The same
d)Cannot be answered from the given information
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Do you expect the minimum energy necessary to eject a 3s electron from...
Due to better guarding of s electrons by p if we directly remove an s electron without removing the p electrons, it would take more energy had we removed all outer electrons before.
Hence A is correct.
Most Upvoted Answer
Do you expect the minimum energy necessary to eject a 3s electron from...
Explanation:
To determine whether the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than, smaller than, or the same as the 4th ionization energy (IE4) of phosphorus, we need to compare the two energies.
Minimum energy necessary to eject a 3s electron:
In the process [Ne] 3s23p3 → [Ne] 3s13p3 e-, a 3s electron is ejected from phosphorus. This requires that the energy input equals or exceeds the ionization energy of the 3s electron. The ionization energy of the 3s electron in phosphorus is 10.49 eV.
4th ionization energy of phosphorus:
The 4th ionization energy (IE4) of phosphorus is the energy required to remove the 4th electron from a phosphorus atom in the gas phase. The 4th ionization energy of phosphorus is 64.07 eV.
Comparison:
The minimum energy necessary to eject a 3s electron from phosphorus is less than the 4th ionization energy (IE4) of phosphorus. Therefore, option A is correct - the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than the 4th ionization energy (IE4) of phosphorus.
In summary:
- Ionization energy of 3s electron in phosphorus = 10.49 eV
- 4th ionization energy (IE4) of phosphorus = 64.07 eV
- Minimum energy necessary to eject a 3s electron from phosphorus is less than IE4
- Therefore, the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than the 4th ionization energy (IE4) of phosphorus.
To determine whether the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than, smaller than, or the same as the 4th ionization energy (IE4) of phosphorus, we need to compare the two energies.
Minimum energy necessary to eject a 3s electron:
In the process [Ne] 3s23p3 → [Ne] 3s13p3 e-, a 3s electron is ejected from phosphorus. This requires that the energy input equals or exceeds the ionization energy of the 3s electron. The ionization energy of the 3s electron in phosphorus is 10.49 eV.
4th ionization energy of phosphorus:
The 4th ionization energy (IE4) of phosphorus is the energy required to remove the 4th electron from a phosphorus atom in the gas phase. The 4th ionization energy of phosphorus is 64.07 eV.
Comparison:
The minimum energy necessary to eject a 3s electron from phosphorus is less than the 4th ionization energy (IE4) of phosphorus. Therefore, option A is correct - the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than the 4th ionization energy (IE4) of phosphorus.
In summary:
- Ionization energy of 3s electron in phosphorus = 10.49 eV
- 4th ionization energy (IE4) of phosphorus = 64.07 eV
- Minimum energy necessary to eject a 3s electron from phosphorus is less than IE4
- Therefore, the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process [Ne] 3s23p3 → [Ne] 3s13p3 e- is larger than the 4th ionization energy (IE4) of phosphorus.
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Community Answer
Do you expect the minimum energy necessary to eject a 3s electron from...
I think the right answer should be "b". because in the given process P has greater no of electrons before the outermost electron is expelled. and we all are well aware of the fact that with increase in the no of electrons screening constant increases and so Zeff is lowered to a certain extent, which implies it'd require much lesser energy to knock off outermost electron.
But if we look at the configuration of P before 4th electron is expelled then no of electrons is less, so Zeff gas a much greater value and so IE4 should be greater than the energy required to eject an electron from this process.
But if we look at the configuration of P before 4th electron is expelled then no of electrons is less, so Zeff gas a much greater value and so IE4 should be greater than the energy required to eject an electron from this process.
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Do you expect the minimum energy necessary to eject a 3s electron from phosphorus in a photoelectron spectroscopy experiment for the process.[Ne] 3s23p3 → [Ne] 3s13p3 + e- ,Be larger than, smaller than, or the same as the 4th io nization energy (IE4) of phosphorus:a)Largerb) Smallerc)The samed)Cannot be answered from the given informationCorrect answer is option 'A'. Can you explain this answer?
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