The number of hypervalent species among the following
`CIO_(4)^(Theta),BF_(3),SO_(4)^(2-),CO_(3)^(2-)` is .

The number of hypervalent species among the following ClO_(4)^(Theta),BF_(3),SO_(4)^(2-),CO_(3)^(2-) is .

The number of lone pairs on chlorine atom in CIO^(-),CIO_(2)^(-),CIO_(3)^(-),CI_(4)^(-)

Which of the following species are hypervalent? (P) ClO_(4)^(-) (Q) BF_(3) (R) SO_(4)^(2-) (S) CO_(3)^(2-)

Total number of Lewis acids among the following is : BF_(3),H_(3)PO_(4),NH_(3),SiF_(4),CH_(3)COOH,NaOH,CO_(2),HCl,SO_(3) .

The number of lone pairs on Chlorine atom in CIO^(-), CIO_(2)^(-), CIO_(3)^(-), ClO_(4)^(-) ions are

Which of the following species are hypervalent? (A) ClO_(4)^(-)" "(B)BF_(3) (C ) SO_(4)^(-2)" "(D)CO_(3)^(-2)

Which of the following species are hypervalent ? (l) ClO _(4) ^(-) (ll) BF _(3) (lll) SO _(4) ^(2-) (lV) CO _(3) ^(2-)