One of the resonating structure of SO4–2 is as shown. Which set formal charge on oxygen and bond order is correct?

Engineering

Chemistry

Resonance and Bond Order

Question

One of the resonating structure of SO₄^–2 is as shown.
Which set formal charge on oxygen and bond order is correct?

–0.5 and 1.5

1.5 and 3

2 and 3

1.5 and 1.5

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All resonating structures of SO₄^2– are

(Refer to Image)

Formal charge on (1) =

\frac{- 1 + 0 - 1 + 0 - 1 + 0}{6} = - 0.5

Bond order =

\frac{1 + 2 + 1 + 2 + 1 + 2}{6} = \frac{3}{2} = 1.5