General Science MCQ – 100 (Chemistry)

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1. Which of the following quantum number can distinguish between two electrons present in the same orbital?
(A) Azimuthal quantum number
(B) Principal quantum number
(C) Magnetic quantum number
(D) Spin quantum number

2. How many orbital can have the following quantum numbers, n = 3, I = 1, ml = 0?
(A) 4
(B) 2
(C) 1
(D) 3

3. What is the maximum number of electrons, which can have following quantum numbers, n=3, I = 1, m = -1?
(A) 2
(B) 6
(C) 10
(D) 4

4. The maximum number of electrons that can in an orbital with n =3, I =1?
(A) 14
(B) 6
(C) 10
(D) 2

5. The maximum number of electrons which can be present in a subshell can be represented by?
(A) 2l + 1
(B) 2n2
(C) 4l + 2
(D) 4l – 2

6. Which of the following quantum numbers governs the special orientation of an atomic orbital?
(A) Magnetic quantum number
(B) Spin quantum number
(C) Azimuthal quantum number
(D) Principal quantum number

7. Which of the following quantum numbers tells the three-dimensional shape of an atomic orbital?
(A) Azimuthal quantum number
(B) Principal quantum number
(C) Spin quantum number
(D) Magnetic quantum number

8. The maximum number of orbitals present in a subshell can be represented by?
(A) 2l + 1
(B) 2n2
(C) 4l + 2
(D) 4l – 2

9. The maximum number of electrons that can fit in all the orbital with n = 2 and I = 1?
(A) 8
(B) 2
(C) 6
(D) 4

10. The maximum number of electrons with I = 3 is?
(A) 14
(B) 2
(C) 10
(D) 6

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