Select Question Set:
Q. No.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%
Level 2: 60%+
NEET - 2023
Hints
Which amongst the following compounds will show geometrical isomerism?
1. Pent-1-ene
2. 2,3-Dimethylbut-2-ene
3. 2-Methylprop-1-ene
4. 3,4-Dimethylhex-3-ene
1. Pent-1-ene
2. 2,3-Dimethylbut-2-ene
3. 2-Methylprop-1-ene
4. 3,4-Dimethylhex-3-ene
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
60%
Level 2: 60%+
NEET - 2023
Hints
The correct IUPAC name for this non-polar alkane is:
1. 3-Ethyl-4-methylheptane
2. 3-Ethyl-4, 7-dimethynonane
3. 3-Methyl-7-ethydecane
4. 3,4-Diethyl-5, 7-dimethylnonane
1. 3-Ethyl-4-methylheptane
2. 3-Ethyl-4, 7-dimethynonane
3. 3-Methyl-7-ethydecane
4. 3,4-Diethyl-5, 7-dimethylnonane
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
The electron pair in the \(\pi -\) bond of an alkene has:
| 1. | 33% p character and are at a lower energy level than the electron pair in the \(\sigma -\) bond. |
| 2. | 50% p character and are at a higher energy level than the electron pair in the \(\sigma -\) bond. |
| 3. | 100% p character and are at a lower energy level than the electron pair in the \(\sigma -\) bond. |
| 4. | 100% p character and are at a higher energy level than the electron pair in the \(\sigma -\) bond. |
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
Level 4: Below 35%
Please attempt this question first.
Hints
Please attempt this question first.
When dealing with hybridization in organic compounds, which bond angle is associated with the strongest bond formation?
| 1. | 109° | 2. | 120° |
| 3. | 180° | 4. | 360° |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
69%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Among the following, the compound which contains the fewest tertiary carbons is:
| 1. | \((CH_3)_3C(CH_2)_2CH_3~~~~~~~~~~~~~\) |
| 2. | 4-isobutyl heptane |
| 3. |  |
| 4. |  |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Anthracene is an aromatic compound that is described by the following characteristics:
| I. | Cyclic |
| II. | Planar |
| III. | Satisfies Huckel's rule |
| IV. | Has an even number of \(\pi\) electrons |
| 1. | I and II only | 2. | II, III, and IV only |
| 3. | I, III, and IV only | 4. | I, II, III, and IV |
Subtopic: Aromatic Hydrocarbons - Reactions & Mechanism |
79%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
What is the correct order of boiling points for the following compounds, arranged from the highest to the lowest?
(a) Heptane
(b) Butane
(c) 2-Methylbutane
(d) 2-Methylpropane
(e) Hexane
Choose the correct option from the following:
1. (a) > (c) > (e) > (d) > (b)
2. (c) > (d) > (a) > (e) > (b)
3. (a) > (e) > (b) > (c) > (d)
4. (a) > (e) > (c) > (b) > (d)
(a) Heptane
(b) Butane
(c) 2-Methylbutane
(d) 2-Methylpropane
(e) Hexane
Choose the correct option from the following:
1. (a) > (c) > (e) > (d) > (b)
2. (c) > (d) > (a) > (e) > (b)
3. (a) > (e) > (b) > (c) > (d)
4. (a) > (e) > (c) > (b) > (d)
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
54%
Level 3: 35%-60%
NEET - 2022
Hints
The compound obtained by addition of water to an alkyne having more than two carbons, in the presence of \(\mathrm{HgSO_4 }\) and dilute \(\mathrm{H_2SO_4}\) at 333K, is:
1. A vicinal diol
2. An aldehyde
3. An alcohol
4. A ketone
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
62%
Level 2: 60%+
NEET - 2022
Hints
Match the bond line structures of hydrocarbons given in List-I with the corresponding boiling points given in List-II.
| List-I (Compound) | List-II (Boiling point in K) | ||
| (a) |  |
(i) | 300.9 |
| (b) |  |
(ii) | 282.5 |
| (c) |  |
(iii) | 309.1 |
| (d) |  |
(iv) | 341.9 |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (iii) | (ii) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (iv) | (i) | (ii) | (iii) |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
83%
Level 1: 80%+
NEET - 2022
Hints
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.