question_answer

\[C{{H}_{2}}-\underset{\begin{smallmatrix}  || \\  \underset{\centerdot \,\,\,\centerdot }{\mathop{O\,\,\mathbf{:}}}\, \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]and\[C{{H}_{2}}=\underset{\begin{smallmatrix}  | \\  \underset{\centerdot \,\,\,\centerdot }{\mathop{\mathbf{:}O\mathbf{:}}}\, \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]are

A)  resonating structures

B)         tautomers

C)         geometrical isomers

D)         optical isomers

Correct Answer: A

Solution :

Hence, these are resonating structures.