Comprehension # 1 Read the following rules and answer the questions at the end of it. Electrons in various suborbits of an filled in increasing order to their energies. Pairing of electrons in various orbitals of a suborbit takes places only after each orbital is half-filled. No two electrons in an atom can have the same set of quantum number. A compound of vanadium has a magnetic moment of `1.73 BM`. Electronic configuration of the vanadium ion in the compound is :A. `[Ar]4s^(0)3d^(1)`B. `[Ar]4s^(2)3d^(3)`C. `[Ar]4s^(1)3d^(0)`D. `[Ar]4s^(0)3d^(5)`

Comprehension # 1 Read the following rules and answer the questions at

1.	Comprehension # 1 Read the following rules and answer the questions at the end of it. Electrons in various suborbits of an filled in increasing order to their energies. Pairing of electrons in various orbitals of a suborbit takes places only after each orbital is half-filled. No two electrons in an atom can have the same set of quantum number. A compound of vanadium has a magnetic moment of `1.73 BM`. Electronic configuration of the vanadium ion in the compound is :A. `[Ar]4s^(0)3d^(1)`B. `[Ar]4s^(2)3d^(3)`C. `[Ar]4s^(1)3d^(0)`D. `[Ar]4s^(0)3d^(5)`
Answer» Correct Answer - A `sqrt(n(n+2))=1.73` `n(n+2)=3` `n+2n=3` `n^(2)+2n-3=0` `(n+3)(n-1)=0` `n=1` Number of unpaired electron =1 `V^(4+)implies [Ar]3s^(1)4s^(0)`

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