Aromatic Hydrocarbons

The structure of the major organic product expected form the following reaction are

 

For the reactions:

$$\begin{gathered} {\mathrm{C}}_6{\mathrm{H}}_6\underset{{\mathrm{AlCl}}_3\left(\mathrm{excess}\right)}{\overset{6{\mathrm{Cl}}_2}{\to }}\left(\mathrm{A}\right) \\ {\mathrm{C}}_6{\mathrm{H}}_6\underset{\mathrm{hv} 500\mathrm{K}}{\overset{{\mathrm{Cl}}_2\left(\mathrm{excess}\right)}{\to }}\left(\mathrm{B}\right) \end{gathered}$$

Which is more basic ${\mathrm{NH}}_3$ Or Piperidine?

(i)   (ii)   (iii)  (iv) 

(v)  (vi)  (vii)  

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

Given below are two statements :

Statement I : Tropolone is an aromatic compound and has $8\pi$ electrons.

Statement II : $\pi$ electrons of $>\mathrm{C}=\mathrm{O}$ group in tropolone is involved in aromaticity. In the light of the above statements choose the correct answer from the options given below:

Decreasing order of reactivity towards electrophilic substitution for the following compounds is:

Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction.

The major product ‘$\mathrm{P}$’ formed in the given reaction is

  $+\mathrm{HBr}\underset{1,4-\mathrm{addition}}{\overset{{40}^0\mathrm{c}}{\to }}\mathrm{X}\left(\mathrm{major}\right)$

Identify $\mathrm{X}$

The correct order of rate of electrophilic substitution reaction is

Is benzaldehyde less or more reactive to electrophilic substitution reactions than benzene (${\mathrm{C}}_6{\mathrm{H}}_6$)? Give an explanation for your answer.

Is $\left[10\right]$-Annulene aromatic or non aromatic ?

For the reaction:

What is the concept of Ortho para directing in Organic Chemistry?

Why does ${\mathrm{NO}}_2$ group show its effect only at ortho and para positions?

Write the structures of the main products of following reactions:

Is 1,3,5 hexatriene is same as benzene?

If the compound given is planar, select the correct statement.

The given compound is planar, select the correct statement

The product is