JEE Main 2012 — Structure of Atom Question with Solution
JEE Main 2012 (26 May Online)
Question
The following sets of quantum numbers represent four electrons in an atom.
(i)
(ii)
(iii)
(iv)
The sequence representing increasing order of energy, is
Choose an option
Show full solutionCorrect option: B
Correct answer
B(iv) < (ii) < (iii) < (i)
Step-by-step explanation
(i)
(ii)
(iii)
(iv)
According to Bohr Bury's rule, increasing order of energy will be (iv) < (ii) (iii) (i).
Note: If the two orbitals have same value of then the orbital with lower value of will be filled first.
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This is a previous-year question from JEE Main 2012, 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.