List of top Chemistry Questions on Aromaticity & chemistry of aromatic compounds

One mole of phenol is treated with dilute $HNO_3$ at $298 \text{ K}$ to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound (X) is separated. The increase in percentage of oxygen in (X) with respect to phenol is ____ $\times 10^{-1}$ %.
(Given molar mass in $\text{g mol}^{-1}$ H:1, C:12, N:14, O:16)}

Identify compounds A and E in the following reaction sequence.

Consider the three aromatic molecules (P, Q and R). The correct order regarding the reactivity of these compounds with $Ph{-}N=N^+Cl^-$ under optimum but slightly acidic medium is:

The correct order of rate of solvolysis for the following compounds is

(I) Cyclopentadienyl bromide
(II) Cycloheptatrienyl bromide
(III) Benzyl bromide

Identify the major product (G) in the following reaction (Bromination with $ Br_2/FeBr_3 $).

Statement-I: Sucrose is dextrorotatory upon hydrolysis it becomes laevorotatory.
Statement-II: Sucrose on hydrolysis gives glucose and fructose such that the levorotation of glucose is more than dexrotation of fructose.

An organic compound with molecular formula C$_8$H$_9$NO when reacts with KOH/BBr$_2$ forms 'P' which on diazotisation forms 'Q' followed by its reaction with CuCN forms 'R' which on hydrolysis (acidic) formed 'S' (S can also be made by hydrolysis of original compound (X) C$_8$H$_9$NO). 'S' can react with KMnO$_4$/H$^+$ forms 'T' which has two types of hydrogen. X will be:

Statement-I:

Major product is ortho substituted product and minor product is para substituted.
Statement-II:
Ortho \& Para substituted products can be separated by steam distillation.

Find the IUPAC name of the compound.

Designate whether each of the following compounds is aromatic or not aromatic.

Area bounded by $ |x - y| \leq y \leq 4\sqrt{x} $ is equal to (in square units):

The compound with molecular formula C$_6$H$_6$, which gives only one monobromo derivative and takes up four moles of hydrogen per mole for complete hydrogenation has ___ $\pi$ electrons.

The compound with molecular formula C$_6$H$_6$, which gives only one monobromo derivative and takes up four moles of hydrogen per mole for complete hydrogenation has $\_\_\_\_\_$$ \pi $ electrons.

Conc. HNO$_3$

Which among the following is not an aromatic species:

Which of the following compound will most easily be attacked by an electrophile?

Toluene reacts with mixed acid at 25°C to produce:

The major products from the following reaction sequence are product A and product B.

The total sum of $\pi$ electrons in product A and product B are ______ (nearest integer)

Which of the following are aromatic?

Total number of aromatic compounds among the following compounds is _______.

Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is

Given below are two statements:
Statement (I) : The NH₂ group in Aniline is ortho and para directing and a powerful activating group.
Statement (II) : Aniline does not undergo Friedel- Craft’s reaction (alkylation and acylation). In the light of the above statements
Choose the most appropriate answer from the options given below :

Which compound is formed as the final product $ B $?

Identify the compound which is non-aromatic in nature.

Among the following, the molecule which shows aromatic character is: