Structure of Atom is an important topic in the Chemistry section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.
This article gives you a full set of BITSAT PYQs for Structure of Atom with explanations for effective preparation. Practice of BITSAT Chemistry PYQs including Structure of Atom questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
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BITSAT PYQs for Structure of Atom with Solutions
1.
The energy of an electron in second Bohr orbit of hydrogen atom is :- $-5.44 \times 10^{-19} eV$
- $ - 5.44 \times 10^{-19} \, cal$
- $ - 5.44 \times 10^{-19} \, kJ$
- $ - 5.44 \times 10^{-19} \, J$
2.
The wave number of the limiting line in Lyman series of hydrogen is 109678 $cm^{-1}$. The wave number of the limiting line in Balmer series of $He^{+}$ would be :- 54839 $cm^{-1}$
- 109678 $cm^{-1}$
- 219356 $cm^{-1}$
- 438712 $cm^{-1}$
3.
If the radius of $H$ is $0.53\, ? $, then what will be the radius of $_3Li^{2+}$ ?- 0.17 ?
- 0.36 ?
- 0.53 ?
- 0.59 ?
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