C = O <C - O< C - S, is the right response. for increasing bond length C-H-C equals C-C-O-C-C. The small size of the atoms is the reason behind this.
Indicated in picometers is bond length. Bond length therefore rises in the following order: a single bond, a double bond, and a triple bond. When two atoms are united by a double bond, there is a stronger attraction between them than when they are joined by a single bond. Compared to a single bond, a double bond is shorter. Thus, the bond lengths are in ascending order as follows: C = C C - C. The bond dissociation energy increases with bond order, and the bond length decreases.
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