The correct order of decreasing `C-O` bond length of (1) `CO,(II)CO_(3)^(2-) (III)CO_(2)` is .

Options

A. `CO lt CO_(3)^(2-) lt CO_(2)`
B. ` CO_(3)^(2-) lt CO_(2) lt CO`
C. `CO lt CO_(2 ) lt CO_(3)^(2-)`
D. `CO_(2) lt CO_(3)^(2-) lt CO`

Answer

c

Explanation

The resonating structure are

Themore is the single bond character in canonical forms , the more is the bond length.