Among the following, the correct statements about
(a) |
The hybridisation of the central atom is sp3 |
(b) |
Its resonance structure has one C-O single bond and two C=O double bonds |
(c) |
The average formal charge on each oxygen atom is 0.67 units |
(d) |
All C-O bond lengths are equal |
Choose the correct option
1. (a), (b)
2. (b), (c)
3. (c), (d)
4. (b), (d)