Chapter 2: Structure of Atom MCQs | chemistry Class 11 CBSE

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Chapter 2: Structure of Atom MCQs | chemistry Class 11 CBSE | ByteNotes.in

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Question 1

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The charge-to-mass ratio (e/me) of an electron, as determined by J.J. Thomson, is:

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Question 2

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Which of the following conclusions was NOT drawn by Rutherford from his alpha-particle scattering experiment?

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Question 3

Objective

The neutron was discovered by Chadwick by bombarding beryllium with:

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Question 4

Objective

Atoms with the same mass number but different atomic numbers are called:

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Question 5

Objective

The energy of a photon is given by E = hν. If the frequency of radiation doubles, the energy of the photon:

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Question 6

Objective

The Balmer series of hydrogen spectrum lies in which region of the electromagnetic spectrum?

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Question 7

Objective

The ground state energy of the hydrogen atom according to Bohr's model is:

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Question 8

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The number of radial nodes in a 3s orbital is:

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Question 9

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Which of the following sets of quantum numbers is NOT permissible?

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Question 10

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The de Broglie wavelength of a particle is λ = h/mv. If the kinetic energy of a particle is doubled (mass constant), the de Broglie wavelength becomes:

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Question 11

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Which of the following electronic configurations represents chromium (Z=24)?

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Question 12

Objective

The maximum number of electrons that can be accommodated in the shell with principal quantum number n = 4 is:

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Question 13

Objective

For an electron in the 4f subshell, the values of n and l are respectively:

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Question 14

Objective

According to Heisenberg's uncertainty principle, the product Δx × Δp is:

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Question 15

Objective

The Lyman series of hydrogen spectrum lies in which spectral region?

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Question 16

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According to Bohr's model, the radius of the nth orbit of hydrogen is proportional to:

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Question 17

Objective

The value of the Rydberg constant for hydrogen expressed in energy units (RH) is:

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Question 18

Objective

The number of orbitals in the d subshell is:

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Question 19

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Which of the following orbitals has a dumbbell (two-lobed) shape?

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Question 20

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The photoelectric effect cannot be explained by the wave theory of light because:

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Chapter 2: Structure of Atom | MCQs

The charge-to-mass ratio (e/me) of an electron, as determined by J.J. Thomson, is:

Which of the following conclusions was NOT drawn by Rutherford from his alpha-particle scattering experiment?

The neutron was discovered by Chadwick by bombarding beryllium with:

Atoms with the same mass number but different atomic numbers are called:

The energy of a photon is given by E = hν. If the frequency of radiation doubles, the energy of the photon:

The Balmer series of hydrogen spectrum lies in which region of the electromagnetic spectrum?

The ground state energy of the hydrogen atom according to Bohr's model is:

The number of radial nodes in a 3s orbital is:

Which of the following sets of quantum numbers is NOT permissible?

The de Broglie wavelength of a particle is λ = h/mv. If the kinetic energy of a particle is doubled (mass constant), the de Broglie wavelength becomes:

Which of the following electronic configurations represents chromium (Z=24)?

The maximum number of electrons that can be accommodated in the shell with principal quantum number n = 4 is:

For an electron in the 4f subshell, the values of n and l are respectively:

According to Heisenberg's uncertainty principle, the product Δx × Δp is:

The Lyman series of hydrogen spectrum lies in which spectral region?

According to Bohr's model, the radius of the nth orbit of hydrogen is proportional to:

The value of the Rydberg constant for hydrogen expressed in energy units (RH) is:

The number of orbitals in the d subshell is:

Which of the following orbitals has a dumbbell (two-lobed) shape?

The photoelectric effect cannot be explained by the wave theory of light because:

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