Question

Which of the following has no co-ordinate bond ?

• A. $HN{O}_3$
• B. CO
• C. $C{O}_3^2$
• D. $C{H}_{3}NC$

Answer 1

Answer: (C)

Carbonate ion, $C{O}_3^{2-}$ has a planar triangular structure. It does not have a co-ordinate bond.