Atomic Structure PYQs - Last 10 Years

MHT CET / Chemistry / Physical Chemistry / 94 recent questions

ChemistryPhysical Chemistry2017-2026

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Practice 94 MHT CET 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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Last 10 Years Atomic Structure Questions

Showing 44 of 94 filtered questions.

1Atomic Structure

Find the number of electrons that generate 1 coulomb charge?

2Atomic Structure

Calculate the radius of first orbit of He$^+$.

3Atomic Structure

What is the designation of an orbital with quantum numbers $\mathrm{n}=4$ and $l=3$?

4Atomic Structure

What is the wave number of lowest transition associated with Lyman series?

5Atomic Structure

Which of the following equations gives angular momentum of an electron in a stationary orbit?

6Atomic Structure

Identify the orbital having highest energy from following:

7Atomic Structure

Which from following statements is NOT correct regarding Bohr model?

8Atomic Structure

Which of the following is radius of first orbit of He$^+$ ?

9Atomic Structure

What is the frequency of violet light having wavelength 400 nm ?

10Atomic Structure

Which of the following orbitals is represented by $\mathrm{n}=3$ and $l=2$ ?

11Atomic Structure

Calculate the wavenumber of the photon emitted during transition from the orbit of \(n=2\) to \(n=1\) in hydrogen atom. \(\left[R_H=109677 \mathrm{~cm}^{-1}\right]\)

12Atomic Structure

Which from following rule / principle states that "No two electrons in an atom can have the same set of four quantum numbers"?

13Atomic Structure

What is the wave number of photon emitted during transition from orbit, \(\mathrm{n}=4\) to \(\mathrm{n}=2\) in hydrogen atom \(\left[R_H=109677 \mathrm{~cm}^{-1}\right]\)

14Atomic Structure

Which of the following statements is NOT true about Rutherford atomic model?

15Atomic Structure

Calculate radius of third orbit of \(\mathrm{He}^{+}\).

16Atomic Structure

Find the number of orbitals and maximum electrons respectively present in \(\mathrm{M}\)-shell?

17Atomic Structure

Calculate the frequency if wavelength is \(750 \mathrm{~nm}\).

18Atomic Structure

Find the radius of fourth orbit of hydrogen atom if its radius of first orbit is \(\mathrm{R}\) pm.

19Atomic Structure

Calculate the wave number of photon emitted during transition from the orbit of \(n=3\) to \(n=2\) in hydrogen atom \(\left(R_H=109677 \mathrm{~cm}^{-1}\right)\).

20Atomic Structure

Which of the following electromagnetic radiations possesses lowest energy?

21Atomic Structure

Which of following pairs is an example of isoelectronic species?

22Atomic Structure

Calculate the frequency of blue light having wavelength \(440 \mathrm{~nm}\).

23Atomic Structure

What is the radius of the fourth orbit of hydrogen atom?

24Atomic Structure

Which from following coloured light has the highest energy?

25Atomic Structure

Which emission transition series is obtained when electron jumps from \(\mathrm{n}_2=\infty\) to \(\mathrm{n}_1=1\) ?

26Atomic Structure

Which from following equations is used to express the angular momentum of an electron in a stationary state?

27Atomic Structure

Which from following elements is isoelectronic with \(\mathrm{Na}^{+}\)?

28Atomic Structure

Which of the following statements is NOT true about Bohr atomic model?

29Atomic Structure

Identify degenerate orbitals from following for hydrogen atom.

30Atomic Structure

Identify the physical quantity that is measured in Candela.

31Atomic Structure

Which of the following species is NOT isoelectronic with neon?

32Atomic Structure

What is angular momentum of an electron in fourth orbit of hydrogen atom?

33Atomic Structure

What is the radius of fourth orbit of \(\mathrm{Be}^{+++}\) ?

34Atomic Structure

How many values of magnetic quantum number are possible for each value of azimuthal quantum number?

35Atomic Structure

What is maximum number of electrons accommodated in a subshell having azimuthal quantum number, \(\ell\) = 2 ?

36Atomic Structure

Two electrons occupying the same orbital are distinguished by

37Atomic Structure

What is the frequency of yellow light having wavelength \(580 \mathrm{~nm}\) ?

38Atomic Structure

The wavelength of blue light is \(480 \mathrm{~nm}\). What is frequency of this light?

39Atomic Structure

What is the energy of an electron in stationary state corresponding to \(\mathrm{n}=2\) ?

40Atomic Structure

The wavelength of a spectral line of caesium is \(460 \mathrm{~nm}\). What is the frequency of spectral line?

41Atomic Structure

What is the wavelength for a wave having frequency 50 Hz?

42Atomic Structure

Identify an orbital with the quantum numbers n = 4, \(l\) = 3, m = 0.

43Atomic Structure

What is the value of frequency of radiation when transition occurs between two stationary states that differ in energy by \(\Delta \mathrm{E}\) ?

44Atomic Structure

Identify the symbol used for water according to Dalton's atomic theory?