In which of the following, the carbon-oxygen bonds are of equal length

1.	In which of the following, the carbon-oxygen bonds are of equal lengths?(1) CH3COO-(2) CH3COOH(3) CH3COOC2H5(4) All of thesepizza no spam.
Answer» Explanation: Acetate ion forms a resonance structure where the negative charge is delocalized over all three atoms and therefore, two carbon-oxygen BONDS are of equal length. The negative charge is SPREAD over the end of the MOLECULE equally. The two bonds are shorter than a single bond but longer than DOUBLE bond. Bond length decreases with multiplicity of bond between two atoms. For example, bond length of ethane > ethene > ethyne. Hence, assertion is true, REASON is true and reason is not the correct explanation for assertion.

In which of the following, the carbon-oxygen bonds are of equal lengths?(1) CH3COO-(2) CH3COOH(3) CH3COOC2H5(4) All of thesepizza no spam.

Answer»

Explanation:

Acetate ion forms a resonance structure where the negative charge is delocalized over all three atoms and therefore, two carbon-oxygen BONDS are of equal length. The negative charge is SPREAD over the end of the MOLECULE equally. The two bonds are shorter than a single bond but longer than DOUBLE bond.

Bond length decreases with multiplicity of bond between two atoms. For example, bond length of ethane > ethene > ethyne.

Hence, assertion is true, REASON is true and reason is not the correct explanation for assertion.

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