Which of the following will show aromatic beh | vedclass

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Question

(B) For a molecule to be aromatic,it must satisfy $H$ückel's rule ($4n + 2$ $\pi$ electrons),be planar,and have a fully conjugated cyclic system.$1$.

Vedclass · Accepted Answer

Benzene

Vedclass · Answer

(B) For a molecule to be aromatic,it must satisfy $H$ückel's rule ($4n + 2$ $\pi$ electrons),be planar,and have a fully conjugated cyclic system.$1$. Decalin is non-planar and non-aromatic.$2$. Benzene $(C_6H_6)$ is planar,cyclic,fully conjugated,and has $6$ $\pi$ electrons $(4(1) + 2 = 6)$,thus it is aromatic.$3$. Cyclohexene is not fully conjugated and is non-aromatic.$4$. Furan is aromatic,but among the given options,Benzene is the most standard example of a simple aromatic hydrocarbon.

Which of the following will show aromatic behaviour?

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Benzene shows

For a compound with molecular formula $C_7 H_8 O$,how many aromatic structures are possible?

What is the expected order of reactivity of the following compounds in electrophilic chlorination $(Cl_2 + FeCl_3)$? (more reactive $ > $ less reactive)
$I: C_6H_5CH_2CO_2H$
$II: C_6H_5N(CH_3)_2$
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$IV: C_6H_5CCl_3$

Identify the product $P$ obtained in the following reaction:
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What is the decreasing order of reactivity amongst the following compounds towards aromatic electrophilic substitution?
$I.$ Chlorobenzene
$II.$ Benzene
$III.$ Anilinium chloride
$IV.$ Toluene

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