SELECT * FROM question_mgmt as q WHERE id=3094 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=54 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th chemistry Hydrocarbons write down the products of ozonolysis of 1 2 dimet

Question:

Write down the products of ozonolysis of 1,2-dimethylbenzene (o-xylene). How does the result support Kekule structure for benzene?

Answer:

o-xylene has two resonance structures:

All three products, i.e., methyl glyoxal, 1, 2-dimethylglyoxal, and glyoxal are obtained from two Kekule structures. Since all three products cannot be obtained from any one of the structures, this proves that o-xylene is a resonance hybrid of two Kekule structures (I and II).


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