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The statements, which is/are correct:    
  • a)
    number of total nodes in an orbital = n-1        
  • b)
    number of radial nodes in an orbital = n-l-1    
  • c)
    number of angular nodes in an orbital = l        
  • d)
    all of the above
Correct answer is option 'D'. Can you explain this answer?
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The statements, which is/are correct: a)number of total nodes in an or...
The desired formulae to calculate nodes.
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The statements, which is/are correct: a)number of total nodes in an or...
Explanation:

Total Nodes in an Orbital (a):
- The total number of nodes in an orbital is equal to n-1, where n is the principal quantum number.
- Nodes are regions in an orbital where the probability of finding an electron is zero.
- Therefore, the statement a) "number of total nodes in an orbital = n-1" is correct.

Radial Nodes in an Orbital (b):
- The number of radial nodes in an orbital is given by n-l-1, where l is the azimuthal quantum number.
- Radial nodes are the nodes that occur along the radial distance from the nucleus.
- Hence, the statement b) "number of radial nodes in an orbital = n-l-1" is correct.

Angular Nodes in an Orbital (c):
- The number of angular nodes in an orbital is equal to l, where l is the azimuthal quantum number.
- Angular nodes are the nodes that occur in different planes within the orbital.
- Therefore, the statement c) "number of angular nodes in an orbital = l" is correct.

Conclusion:
- All the statements a), b), and c) are correct as they provide the formulas to calculate the number of different types of nodes in an orbital based on the quantum numbers n and l.
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Read the passage given below and answer the following questions:In transition elements, generally, ions of the same charge in a given series show progressive decrease in radius with increasing atomic number. This is because the new electron enters a d orbital each time the nuclear charge increases by unity. But the radii of the third (5 d) series are virtually the same as those of the corresponding members of the second series. This phenomenon is associated with the intervention of the 4f orbitals which must be filled before the 5d series of elements begin. The filling of 4f before 5d orbital results in a regular decrease in atomic radii called Lanthanoid contraction. In these questions, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Following are the transition metal ions of 3d series: Ti4+, V2+, Mn3+, Cr3+ (Atomic number: Ti = 22, V = 23, Mn = 25, Cr = 24)Assertion (

The statements, which is/are correct: a)number of total nodes in an orbital = n-1 b)number of radial nodes in an orbital = n-l-1 c)number of angular nodes in an orbital = l d)all of the aboveCorrect answer is option 'D'. Can you explain this answer?
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