Match the quantum numbers with the information provided by them:

Quantum number Information provided
A. Principal quantum number 1. Orientation of the orbital
B. Azimuthal quantum number 2. Energy and size of orbital
C. Magnetic quantum number 3. Spin of electron
D. Spin quantum number 4. Shape of the orbital
 
A B C D
1. 2 4 1 3
2. 1 2 3 4
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The incorrect set of quantum numbers among the following is
1. n= 4, l= 0, m= 0, s= -1/2
2. n= 5, l= 3, m= 0, s= +1/2
3. n= 3, l= 2, m= -3, s= -1/2
4. n= 3, l= 2, m= 2, s= -1/2

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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Consider the following sets of quantum numbers:

              n         l         m         s

(i)         3         0         0          +1/2

(ii)        2         2         1          +1/2

(iii)       4         3        -2           -1/2

(iv)       1         0        -1           -1/2

(v)        3         2         3           +1/2

Which of the following sets of quantum numbers is not possible?

1. ii, iii and iv                             

2. i, ii, iii and iv

3. ii, iv and v                               

4. i and iii

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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Which of the following sets of quantum numbers is possible-
1. n
= 0, l = 0, ml = 0, ms = + ½
2. n
= 1, l = 0, ml = 0, ms = – ½
3. n
= 1, l = 1, ml = 0, ms = + ½
4. n
= 3, l = 3, ml = –3, ms = + ½

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The correct set of four quantum numbers for the valence electron of a rubidium atom (Z =37) is 

1. 5,1,1,+12

2. 6,0,0,+12

3. 5,0,0,+12

4. 5,1,0,+12

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The quantum number not obtained from the Schrodinger’s wave equation is 

1. n

2. l

3. m

4. s

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The total number of electrons in an atom with the following quantum numbers would be
(a) n = 4, ms = – ½  (b) n = 3, l = 0
1. 16,  2
2. 11, 8
3. 16, 8
4. 12, 7

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The angular momentum of electrons in d orbital is equal to 
1. 6 h
2. 2h
3. 23 h
4. 0 h

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The wave mechanical model of the atom depends upon

1.  De-Broglie concept of dual nature of electron

2.  Heisenberg uncertainty principle

3.  Schrodinger's principle

4.  All

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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The excited state of an H atom emits a photon of wavelength λ and returns to the ground state. The principal quantum number of the excited state is given by:

1.  λRλR-1

2.  λRλR-1

3.  λRλR+1

4.  λR-1λR

Subtopic:  Quantum Numbers & Schrodinger Wave Equation |
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