Which out of the following configurations is incorrect? - Vidyadip

MCQ

Which out of the following configurations is incorrect?

✓
$1{s^2}\,\,2{s^2}\,\,2p_x\,^2\,\,2p_y\,\,^2\,2p_z\,^0$
B
$1{s^2}\,\,2{s^2}\,\,2p_x\,^1\,\,2p_y\,^1$
C
$1{s^2}\,\,2{s^2}\,\,2p_x\,^1\,\,2p_y\,^1\,\,2p_z\,^1$
D
$1{s^2}\,\,2{s^2}\,\,2{p^6}3{s^2}\,\,3{p^6}\,\,3{d^5}\,\,4{s^1}$

✓

Answer

Correct option: A.

$1{s^2}\,\,2{s^2}\,\,2p_x\,^2\,\,2p_y\,\,^2\,2p_z\,^0$

a
$1{s^2}\,\,2{s^2}\,\,2p_x\,^1\,\,2p_y\,^1\,\,2p_z\,^1$ (Pauli's exclusion principle)

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