The laws violated in the given electronic configuration of oxygen atom are:
a) Aufbau rule
b) Pauli exclusion principle
c) Hund's rule

a

and

b

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b

and

c

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a

and

c

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a

b

and

c

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Solution

The correct option is D $a$ , $b$ and $c$
The given configuration of oxygen violates Pauli's exclusion principle, Aufbau principle, and Hund's rule.
1. As per Aufbau principle, the electrons organise into shells and subshells so as to have the least possible energy.
2. As per Pauli's exclusion principle, no two electrons in an atom can have the same set of four quantum numbers.
3. As per Hund's rule, the electrons spread out before they pair up if there are two or more energetically equivalent orbitals.

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The laws violated in the given electronic configuration of oxygen atom are:a) Aufbau ruleb) Pauli exclusion principlec) Hund's rule

The laws violated in the given electronic configuration of oxygen atom are:
a) Aufbau rule
b) Pauli exclusion principle
c) Hund's rule