Atomic Structure PYQs - Last 5 Years
WB JEE / Chemistry / Physical Chemistry / 10 recent questions
ChemistryPhysical Chemistry2022-2026
Practice 10 WB JEE Chemistry questions from Atomic Structure. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Physical Chemistry
2022-2026
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2022-2026
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2017-2026
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Last 5 Years Atomic Structure Questions
Showing 10 of 10 filtered questions.
1Atomic Structure
The plot of radial probability density（ $4 \pi r^2 R^2$ ）against $r$ for an electron in $n p$ orbital of a many electron atom is given below．
The value of $n$ is
The value of $n$ is
MCQ+1 / -0.252026
2Atomic Structure
The mass of an electron is $9 \cdot 1 \times 10^{-31} \mathrm{~kg}$ ．If its K ．E．is $3 \cdot 0 \times 10^{-25} \mathrm{~J}$ ，its wavelength is（approximately）
MCQ+1 / -0.252026
3Atomic Structure
Consider an electron moving in the first Bohr orbit of a \(\mathrm{He}^{+}\) ion with a velocity \(v_1\). If it is allowed to move in the third Bohr orbit with a velocity \(v_3\), then indicate the correct \(v_3: v_1\) ratio.
MCQ+1 / -0.252024
4Atomic Structure
Which hydrogen like species will have the same radius as that of \(1^{\text {st }}\) Bohr orbit of hydrogen atom?
MCQ+1 / -0.252024
5Atomic Structure
An electron in the 5d orbital can be represented by the following (n, l, m) values
MCQM+2 / -02023
6Atomic Structure
Two base balls (masses : m\(_1\) = 100 g, and m\(_2\) = 50 g) are thrown. Both of them move with uniform velocity, but the velocity of m\(_2\) is 1.5 times that of m\(_1\). The ratio of de Broglie wavelengths \(\lambda\)(m\(_1\)) : $$\lambd...
MCQ+1 / -0.252023
7Atomic Structure
Which one of the following is the correct set of four quantum numbers (n, 1, m, s) ?
MCQ+1 / -0.252022
8Atomic Structure
In Bohr model of atom, radius of hydrogen atom in ground state is r1 and radius of He+ ion in ground state is r2. Which of the following is correct?
MCQ+1 / -0.252022
9Atomic Structure
The de-Broglie wavelength (\(\lambda\)) for electron (e), proton (p) and He2+ ion (\(\alpha\)) are in the following order. Speed of e, p and \(\alpha\) are the same
MCQ+1 / -0.252022
10Atomic Structure
The number of unpaired electron in Mn2+ ion is
MCQ+1 / -0.252022