The least stable resonating structure of ethy | vedclass

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(D) The stability of resonating structures is determined by the following rules: $1$. Structures with more covalent bonds are more stable. $2$. Struct

Vedclass · Accepted Answer

$CH_3-C(O^+)(^-)-O-CH_2-CH_3$

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(D) The stability of resonating structures is determined by the following rules: $1$. Structures with more covalent bonds are more stable. $2$. Structures with complete octets for all atoms are more stable. $3$. Structures with negative charge on more electronegative atoms and positive charge on less electronegative atoms are more stable. $4$. Structures with like charges on adjacent atoms are highly unstable due to electrostatic repulsion. In option $D$,the carbon atom has a negative charge while the adjacent oxygen atom has a positive charge. This creates a highly unstable structure due to the separation of charges and the presence of a negative charge on a less electronegative atom (carbon) adjacent to a positive charge on a more electronegative atom (oxygen). Therefore,option $D$ is the least stable.

The least stable resonating structure of ethyl acetate is $:-$

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Assertion : Energy of resonance hybrid is equal to the average of energies of all canonical forms.
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