Of the following sets,which one does NOT cont | vedclass

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(C) Isoelectronic species are those that have the same number of electrons.$A$: $PO_4^{3-} (15+8 	imes 4+3 = 50)$,$SO_4^{2-} (16+8 	imes 4+2 = 50)$,

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$SO_3^{2-}, CO_3^{2-}, NO_3^-$

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(C) Isoelectronic species are those that have the same number of electrons.$A$: $PO_4^{3-} (15+8 	imes 4+3 = 50)$,$SO_4^{2-} (16+8 	imes 4+2 = 50)$,$ClO_4^- (17+8 	imes 4+1 = 50)$. All have $50$ electrons.$B$: $CN^- (6+7+1 = 14)$,$N_2 (7+7 = 14)$,$C_2^{2-} (6+6+2 = 14)$. All have $14$ electrons.$C$: $SO_3^{2-} (16+8 	imes 3+2 = 42)$,$CO_3^{2-} (6+8 	imes 3+2 = 32)$,$NO_3^- (7+8 	imes 3+1 = 32)$. These are not isoelectronic.$D$: $BO_3^{3-} (5+8 	imes 3+3 = 32)$,$CO_3^{2-} (6+8 	imes 3+2 = 32)$,$NO_3^- (7+8 	imes 3+1 = 32)$. All have $32$ electrons.Therefore,the set that does not contain isoelectronic species is $C$.

Of the following sets,which one does $NOT$ contain isoelectronic species?

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