Phenanthrene is an aromatic compound and follows Huckel's \((4 n+2) \pi\) electron rule. The value of \(n\) is:
   
1. 0
2. 1
3. 2
4. 3
Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 82%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

Consider the following compounds/species:
i. ii.
iii. iv.
v vi
vii
The number of compounds/species which obey Huckel's rule is:
1. 5 2. 4
3. 6 4. 2
Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 73%
From NCERT
NEET - 2023
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

The molecular formula of diphenylmethane is C13H12.
The number of structural isomers possible when one of the hydrogens is replaced by a chlorine atom is:

1. 4 2. 8
3. 7 4.
Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 63%
From NCERT
AIPMT - 2004
To view explanation, please take trial in the course.
NEET 2026 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch

advertisementadvertisement