NEET Chemistry: Structure of Atom — Free Practice Set 2 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Structure of Atom. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Momentum, Electron, Electrons, Subshell, Uncertainty, and Position.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. The angular momentum of an electron in the fifth orbit of \( \text{Be}^{3+} \) is \( 5.275 \times 10^{-34} \, \text{J s} \). What is its radius? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

A. \( 3.306 \times 10^{-10} \, \text{m} \)
B. \( 1.322 \times 10^{-10} \, \text{m} \)
C. \( 5.29 \times 10^{-11} \, \text{m} \)
D. \( 2.645 \times 10^{-11} \, \text{m} \)

Q2. How many electrons can occupy the \( 4d \) subshell?

A. 6
B. 2
C. 10
D. 14

Q3. The uncertainty in momentum of a neutron is \( 5.0 \times 10^{-25} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

A. \( 5.27 \times 10^{-11} \, \text{m} \)
B. \( 2.64 \times 10^{-10} \, \text{m} \)
C. \( 1.055 \times 10^{-10} \, \text{m} \)
D. \( 3.31 \times 10^{-10} \, \text{m} \)

Q4. The radius of the third orbit of a hydrogen atom is \( 4.761 \times 10^{-10} \, \text{m} \). What is the angular momentum of an electron in the fifth orbit? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

A. \( 5.275 \times 10^{-34} \, \text{J s} \)
B. \( 3.165 \times 10^{-34} \, \text{J s} \)
C. \( 6.33 \times 10^{-34} \, \text{J s} \)
D. \( 2.11 \times 10^{-34} \, \text{J s} \)

Q5. The work function of a metal is \( 2.5 \, \text{eV} \). What is the maximum wavelength of light that can eject electrons from this metal? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( c = 3.0 \times 10^8 \, \text{m s}^{-1} \), \( 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} \))

A. \( 620 \, \text{nm} \)
B. \( 400 \, \text{nm} \)
C. \( 331 \, \text{nm} \)
D. \( 497 \, \text{nm} \)

+ 5 more questions in the actual test

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Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

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Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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Preview of Questions in this Test

Q1. The angular momentum of an electron in the fifth orbit of \( \text{Be}^{3+} \) is \( 5.275 \times 10^{-34} \, \text{J s} \). What is its radius? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

Q2. How many electrons can occupy the \( 4d \) subshell?

Q3. The uncertainty in momentum of a neutron is \( 5.0 \times 10^{-25} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q4. The radius of the third orbit of a hydrogen atom is \( 4.761 \times 10^{-10} \, \text{m} \). What is the angular momentum of an electron in the fifth orbit? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

Q5. The work function of a metal is \( 2.5 \, \text{eV} \). What is the maximum wavelength of light that can eject electrons from this metal? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( c = 3.0 \times 10^8 \, \text{m s}^{-1} \), \( 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} \))

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NEET Chemistry: Structure of Atom — MCQ Test 2

Q6. The ratio of the angular momentum of an electron in the fifth orbit of \( \text{H} \) to the third orbit of \( \text{He}^+ \) is: (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q7. The work function of a metal is \( 3.31 \times 10^{-19} \, \text{J} \). What is the threshold wavelength in nm? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( c = 3.0 \times 10^8 \, \text{m s}^{-1} \))

Q8. How many protons, neutrons, and electrons are present in the neutral atom with atomic number 35 and mass number 80?

Q9. A proton and an electron have the same kinetic energy. What is the ratio of their de Broglie wavelengths? (\( m_p = 1.67 \times 10^{-27} \, \text{kg} \), \( m_e = 9.1 \times 10^{-31} \, \text{kg} \))

Q10. What is the frequency of electromagnetic radiation with a wavelength of 600 nm? (Speed of light \( c = 3.0 \times 10^8 \, \text{m s}^{-1} \))

NEET Chemistry — Structure of Atom

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

AI Analytics

About this NEET MCQ Test

Preview of Questions in this Test

Q1. The angular momentum of an electron in the fifth orbit of \( \text{Be}^{3+} \) is \( 5.275 \times 10^{-34} \, \text{J s} \). What is its radius? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

Q2. How many electrons can occupy the \( 4d \) subshell?

Q3. The uncertainty in momentum of a neutron is \( 5.0 \times 10^{-25} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q4. The radius of the third orbit of a hydrogen atom is \( 4.761 \times 10^{-10} \, \text{m} \). What is the angular momentum of an electron in the fifth orbit? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( r_1 \) for H = \( 5.29 \times 10^{-11} \, \text{m} \))

Q5. The work function of a metal is \( 2.5 \, \text{eV} \). What is the maximum wavelength of light that can eject electrons from this metal? (\( h = 6.626 \times 10^{-34} \, \text{J s} \), \( c = 3.0 \times 10^8 \, \text{m s}^{-1} \), \( 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} \))

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Chemistry Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET