Which of the following electronic configurati | vedclass

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(B) According to Hund's rule of maximum multiplicity,electrons fill degenerate orbitals (like $2p_x, 2p_y, 2p_z$) singly before pairing begins.Option

Vedclass · Accepted Answer

$1s^2\, 2s^2\, 2p_x^1\, 2p_y^1$

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(B) According to Hund's rule of maximum multiplicity,electrons fill degenerate orbitals (like $2p_x, 2p_y, 2p_z$) singly before pairing begins.Option $B$ $(1s^2\, 2s^2\, 2p_x^1\, 2p_y^1)$ is incorrect because it represents a state where the $2p$ subshell is partially filled without following the correct order of orbital occupancy or stability,and it violates the principle of filling orbitals in a way that minimizes energy.

Which of the following electronic configurations is incorrect?

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