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Chemistry Class 11 Question Answer & Video

Quantum Mechanical Model of Atom

Structure of Atom Q – 2.42, Class 11th CBSE Online Chemistry Videos

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1. There will be total 20  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. For the value of principal quantum number 3 the possible values for azimuthal quantum number will be:

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Question 1 of 20

2. Which of the subshells below do not exist due to the constraints upon the azimuthal quantum number?

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Question 2 of 20

3. Which one of the following represents an impossible arrangement for the values of n, l, m and ms?

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Question 3 of 20

4. A sub shell with l = 2 can take up a maximum of :

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Question 4 of 20

5. Which statement regarding an orbital is FALSE?

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Question 5 of 20

6. An orbital is identified by how many quantum numbers?

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Question 6 of 20

7. Which one of the following is an incorrect orbital notation?

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Question 7 of 20

8. For l= 2, how many orbitals are possible?

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Question 8 of 20

9. What information does 16468_wave indicate about wave?

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Question 9 of 20

10. Which one of the following represents a wrong set of quantum numbers for an electron in an atom? (arranged as n, l, m, and s)

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Question 10 of 20

11. Which set of quantum numbers is correct with n = 3?

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Question 11 of 20

12. All of the orbitals in a given electron shell can have the same value of the quantum number except.

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Question 12 of 20

13. Total number of orbitals in a shell is given by

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Question 13 of 20

14. Which one of the following represents an acceptable possible set of quantum numbers (in the order n, l, m| and ms for an electron in an atom?

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Question 14 of 20

15. Which quantum number determines the radius of an atom?

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Question 15 of 20

16. Calculate the value of principal quantum number for the subshell notation 3p?

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Question 16 of 20

17. Calculate the value of azimuthal quantum number for the subshell notation 4d?

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Question 17 of 20

18. Which one of the following is not a valid value for the magnetic quantum number of an electron in a 5d sub shell?

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Question 18 of 20

19. Quantum mechanics is based on a fundamental equation which is called

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Question 19 of 20

20. Which pair of quantum numbers determine the energy of an electron in an orbital?

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Question 20 of 20