Shown below is the structure of methyl acetate with three different , and carbon - oxygen bonds. The correct order of bond lengths of these bonds is :

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Correct answer: B. < <

In methyl acetate, the bond is a C=O double bond, which is the shortest among the three. The bond is a C-O single bond adjacent to a carbonyl group. Due to resonance (CH_3-C(=O)-O-CH_3 CH_3-C(-O^-)=O^+-CH_3), the bond acquires partial double bond character, making it shorter than a pure single bond. The bond is a pure C-O single bond between an sp^3 hybridized carbon and oxygen, with no resonance involvement. Thus, it is the longest bond. Therefore, the correct order of bond lengths is Answer: < <

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