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

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.

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):

Find the IUPAC name of the compound.

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:

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

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:

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

Write short notes on the following:
(A) Electrophilic substitution in halobenzene,
(B) Wurtz–Fittig reaction,
(C) Applications of Grignard’s reagent.

Why is chlorine atom of chlorobenzene less reactive than chlorine atom of chloroethane? Write chemical equations of reactions of chlorobenzene with (A) Cl$_2$ and (B) conc. H$_2$SO$_4$.

State the name and formula of electrophile used in the nitration of benzaldehyde.

How will you obtain the following from Chlorobenzene? (Write only chemical equations) (i) Picric Acid
(ii) Dichlorobenzene
(iii) Chlorobenzene Sulphonic Acid