Nitrogen has the electronic configuration 1 s2- 2 s2 2 px1 2 py1 2 pz1 and not 1 s2- 2 s2 2 px2 2 py1 2 pz0 which is determined byA- Pauli-s exclusion principleB- Hund-s ruleC- Uncertainty principleD- Aufbau-s principle

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Standard XII

Chemistry

Electronic Configuration and Oxidation States

Nitrogen has ...

Question

Nitrogen has the electronic configuration $1 s^{2}, 2 s^{2} 2 p_{x}^{1} 2 p_{y}^{1} 2 p_{z}^{1}$ and not $1 s^{2}, 2 s^{2} 2 p_{x}^{2} 2 p_{y}^{1} 2 p_{z}^{0}$ which is determined by

Aufbau's principle

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Pauli's exclusion principle

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Hund's rule

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Uncertainty principle

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Solution

The correct option is C
Hund's rule

Hund's rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.

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Question 10

Which of the following is responsible to rule out the existence of definite paths or trajectories of electrons ?

(a) Pauli's exclusion principle

(b) Heisenberg's uncertainty principle

(d) Aufbau principle

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I: Hund's rule

II: Pauli's exclusion principle

III: Aufbau principle

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Nitrogen has the electronic configuration 1s2,2s2 2p1x 2p1y 2p1z and not 1s2,2s2 2p2x 2p1y 2p0z which is determined by

The correct option is C Hund's rule Hund's rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.

Nitrogen has the electronic configuration $1 s^{2}, 2 s^{2} 2 p_{x}^{1} 2 p_{y}^{1} 2 p_{z}^{1}$ and not $1 s^{2}, 2 s^{2} 2 p_{x}^{2} 2 p_{y}^{1} 2 p_{z}^{0}$ which is determined by

The correct option is C
Hund's rule

Hund's rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.