Representative elements \( X, Y \) and \( Z \) are \( p \)-block an...

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Representative elements \( X, Y \) and \( Z \) are \( p \)-block and same period elements. If order of their magnetic moment in ground state is \( XYZ \). Then which of the following statement is
\( \mathrm{P} \) incorrect regarding given elements ?

W
(a) \( X \) may belong to \( 15^{\text {th }} \) group.
(b) \( Y \) may belong to \( 14^{\text {th }} \) group.
(c) \( Z \) may belong to \( 16^{\text {th }} \) group.
(d) \( Z \) may belong to \( 13^{\text {th }} \) group.
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