question archive 23- Which of the following statements about aromatic compounds is incorrect
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23- Which of the following statements about aromatic compounds is incorrect.
a) Aromatic compounds are planar
b)Aromatic compounds has 4n pi electron
c)Aromatic compounds are cyclic
d) Aromatic compounds have a conjugated system
e) Aromatic compounds are generally less reacting than similarly substituted alkenes
24-Which of the following statements about the structure of benzene is incorrect.
a) The index of hydrogen deficiency is 4
b) Its molecular structure is planar
c) its structure rapidly transforms between 2 resonance forms
d) Its structure is a hybrid of two significant resonance structure
e) Its c-c bounds are all equals in lenght