Q 11 :

Total number of aromatic compounds among the following compounds is _____.               [2024]

Q 12 :

                                      [2023]

Q 13 :

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Benzene is more stable than hypothetical cyclohexatriene.

Reason R: The delocalized $\mathrm{\pi }$ electron cloud is attracted more strongly by nuclei of carbon atoms.

In the light of the above statements, choose the correct answer from the options given below:                 [2023]

• A is false but R is true

   

• Both A and R are correct but R is NOT the correct explanation of A

   

• A is true but R is false

   

• Both A and R are correct and R is the correct explanation of A

   

Q 14 :

Among the following compounds, the one which shows highest dipole moment is               [2023]

Q 15 :

Given below are two statements:

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

Statement II: $\mathrm{\pi }$ 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:         [2023]

• Statement I is true but Statement II is false

   

• Both Statement I and Statement II are false

   

• Statement I is false but Statement II is true

   

• Both Statement I and Statement II are true

   

Q 16 :

Identify the correct statements:

The presence of $–NO₂$ group in benzene ring

A. activates the ring towards electrophilic substitutions.
B. deactivates the ring towards electrophilic substitutions.
C. activates the ring towards nucleophilic substitutions.
D. deactivates the ring towards nucleophilic substitutions.

Choose the correct answer from the options given below:   [2026]

• A and D Only

   

• B and D Only

   

• C and A Only

   

• B and C Only