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Structure of Atom PYQs - Last 5 Years

NEET / Chemistry / Physical Chemistry / 17 recent questions

ChemistryPhysical Chemistry2022-2026
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Practice 17 NEET Chemistry questions from Structure of Atom. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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2022-2026
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Last 5 Years Structure of Atom Questions

Showing 17 of 17 filtered questions.

1Structure Of Atom
\(\text { Consider the following schematic plots of orbital wavefunction }\left(\psi_r\right) \text { against distance }(r) \text { from the nucleus. }\)

The figure representing two radial nodes in the orbital is
MCQ+4 / -12026
2Structure Of Atom
A bulb is rated at 150 watt, converting $8 \%$ energy into light. If energy of one photon is $4.42 \times 10^{-19} \mathrm{~J}$, how many photons are emitted by the bulb per second?
MCQ+4 / -12026
3Structure Of Atom
\(\text { Match List I with List II : }\)
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MCQ+4 / -12026
4Structure Of Atom
Energy and radius of first Bohr orbit of $\mathrm{He}^{+}$and $\mathrm{Li}^{2+}$ are [Given $\mathrm{R}_{\mathrm{H}}=2.18 \times 10^{-18} \mathrm{~J}, \mathrm{a}_0=52.9 \mathrm{pm}$ ]
MCQ+4 / -12025
5Structure Of Atom
The ratio of the wavelengths of the light absorbed by a Hydrogen atom when it undergoes $n=2 \rightarrow n=3$ and $n=4 \rightarrow$ $\mathrm{n}=6$ transitions, respectively, is
MCQ+4 / -12025
6Structure Of Atom
Given below are two statements:
Statement I: The Balmer spectral line for H atom with lowest energy is located at \(\frac{5}{36} R_H \mathrm{~cm}^{-1}\).
(\(\mathrm{R}_{\mathrm{H}}=\) Rydberg constant)
Statement II: When the temperature of ...
MCQ+4 / -12024
7Structure Of Atom
The quantum numbers of four electrons are given below :
I. \(n=4 ; I=2 ; m_1=-2 ; s=-\frac{1}{2}\)
II. \(n=3 ; I=2 ; m_1=1 ; s=+\frac{1}{2}\)
III. \(n=4 ; I=1 ; m_1=0 ; s=+\frac{1}{2}\)
IV. \(n=3 ; I=1 ; m_1=-1 ; s=+\frac{1}{2}\)
The correc...
MCQ+4 / -12024
8Structure Of Atom
Match List I with List II.

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MCQ+4 / -12024
9Structure Of Atom
The energy of an electron in the ground state \(\mathrm{(n=1)}\) for \(\mathrm{He}^{+}\) ion is \(\mathrm{-x} \mathrm{~J}\), then that for an electron in \(\mathrm{(n=2)}\) state for \(\mathrm{Be}^{3+}\) ion in \(\mathrm{J}\) is
MCQ+4 / -12024
10Structure Of Atom
Given below are two statements:
Statement I : The value of wave function, \(\psi\) depends upon the coordinates of the electron in the atom.
Statement II : The probability of finding an electron at a point within an atom is proportional to...
MCQ+4 / -12023
11Structure Of Atom
Incorrect set of quantum numbers from the following is :

MCQ+4 / -12023
12Structure Of Atom
The relation between \(\mathrm{n}_{\mathrm{m}},\left(\mathrm{n}_{\mathrm{m}}=\right.\) the number of permissible values of magnetic quantum number \((\mathrm{m})\)) for a given value of azimuthal quantum number \((l)\), is
MCQ+4 / -12023
13Structure Of Atom
Select the correct Statements from the following :
A. Atoms of all elements are composed of two fundamental particles.
B. The mass of the electron is \(9.10939 \times 10^{-31} \mathrm{~kg}\).
C. All the isotopes of a given elements show sam...
MCQ+4 / -12023
14Structure Of Atom
When electromagnetic radiation of wavelength 300 nm falls on the surface of a metal, electrons are emitted with the kinetic energy of 1.68 \(\times\) 105 J mol\(-\)1. What is the minimum energy needed to remove an electron from the metal?
(...
MCQ+4 / -12022
15Structure Of Atom
Match List-I with List-II :

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overflow:hidden;padding:10px 5px;word-break:normal;...
MCQ+4 / -12022
16Structure Of Atom
If radius of second Bohr orbit of the He+ ion is 105.8 pm, what is the radius of third Bohr orbit of Li2+ ion?
MCQ+4 / -12022
17Structure Of Atom
Identify the incorrect statement from the following.
MCQ+4 / -12022