(i)   (ii)   (iii)  (iv) 

(v)  (vi)  (vii)  

The number of compounds/species which obey Huckel's rule is _____

Given below are two statements. One is labelled as Assertion $\mathrm{A}$ and the other is labelled as Reason $\mathrm{R}$.

Assertion $\mathrm{A}:\left[6\right]$ Annulene. $\left[8\right]$ Annulene and cis $-\left[10\right]$ Annulene, are respectively aromatic, not-aromatic and aromatic.

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Reason $\mathrm{R}$: Planarity is one of the requirements of aromatic systems.

In the light of the above statements, choose the most appropriate answer from the options given below.

Among the following, the aromatic compounds are :

Choose the correct answer from the following options :

In the following reactions

$\mathrm{X}$ and $\mathrm{Y}$, respectively, are:

The major product of the following reaction is:

Total number of aromatic compounds from below is