Quantum Numbers And Orbitals

Quantum numbers describe the state of an electron in an atom. They must satisfy the following restrictions:
1. (the principal quantum number) must be a positive integer ( ).
2. (the angular momentum quantum number) can take integer values from to , i.e., .
3. (the magnetic quantum number) can take integer values from to , i.e., .
4. (the spin quantum number) can take values or .
Now, checking the given combinations:
- (A) is correct because is allowed.
- (B) is incorrect because for , can only be 0, but here . Hence, this combination is not allowed.
- (C) is correct because is allowed.
- (D) is correct because is allowed.
Thus, the incorrect combination is option (B).