MCQ
Which of the following molecules does not have co- ordinate bonds?
  • A
    $PH^+_4$
  • B
    $NO_2$
  • C
    $O_3$
  • $CO^{2-}_3$

Answer

Correct option: D.
$CO^{2-}_3$
d
The carbonate ion contains only covalent bonds. A coordinate bond is not present in carbonate ion.

Methyl isocyanide, carbon monoxide, and ozone contain coordinate bonds. In Methyl isocyanide, the dative bond is present between $N$ and $C$ of isocyanide ion.

In $CO$, the dative bond is present between $C$ and $O$. In $O _3$, the dative bond is present between $2$ oxygen atoms.

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