JEE Main 2026 — Structure of Atom Question with Solution
JEE Main 2026 (02 April Shift 1)
Question
What is the energy (in J atom) required for the following process?
(Take the ionization energy for the H atom in the ground state as J atom)
(Take the ionization energy for the H atom in the ground state as J atom)
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
The given process represents the ionization of the hydrogen-like ion from its ground state.
The ionization energy for a hydrogen-like species is given by the formula:
For , the atomic number .
Given the ionization energy of the hydrogen atom J atom.
Substituting the values:
J atom
J atom
Answer:
The ionization energy for a hydrogen-like species is given by the formula:
For , the atomic number .
Given the ionization energy of the hydrogen atom J atom.
Substituting the values:
J atom
J atom
Answer:
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This is a previous-year question from JEE Main 2026, covering the Structure of Atom chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.