Select the true statements regarding these resonance structures of formate.

Asked by maham237 @ in Chemistry viewed by 304 People

Select the true statements regarding these resonance structures of formate.? Each carbon-oyxgen bond is somewhere between a single and double bond. The actual structure of formate switches back and forth between the two resonance forms. Each oxygen atom has a double bond 50% of the time.

Answered by maham237 @


Answer : Option 1) The true statement is each carbon-oxygen bond is somewhere between a single and double bond and the actual structure of format is an average of the two resonance forms.

Explanation : The actual structure of formate is found to be a resonance hybrid of the two resonating forms. The actual structure for formate do not switches back and forth between two resonance forms.

The O atom in the formate molecule with one bond and three lone pairs, in the resonance form left with reference to the attached image, gets changed into O atom with two bonds and two lone pairs.

Again, the O atom with two bonds and two lone pairs on the resonance form left, changed into O atom with one bond and three lone pairs. It concludes that each carbon-oxygen bond is neither a single bond nor a double bond; each carbon-oxygen bond is somewhere between a single and double bond.

Also, it is seen that each oxygen atom does not have neither a double bond nor a single bond 50% of the time.


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