SELECT * FROM question_mgmt as q WHERE id=1327 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=45 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

Explain the important aspects of resonance with reference to the  ion.

Answer:

In some molecules single Lewis structure fails to explain all the characteristics of the molecule. As a result a number of structures can be drawn to explain all the characteristic .Such structures are called resonating structures & resonance is defined as the phenomenon as a result of which a molecule can be expressed in different forms none of which can explain all the properties of the molecule. As in case of  ion all the C---- O bonds are equivalent. Therefore it is not correct to represent  ion through one Lewis strucuture. Instead three resonating structures can be drawn ,which are as follows:

 


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