- 1(current)
Q. No.Subtopic: Aliphatic Hydrocarbon- Physical Properties |
82%
From NCERT
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Which compound among the following has the highest boiling point?
| 1. | Iso-octane | 2. | n-Octane |
| 3. | 2,2,3,3-Tetramethyl butane | 4. | n-Butane |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
82%
From NCERT
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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%
From NCERT
NEET - 2022
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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%
From NCERT
NEET - 2022
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Given below are two statements :
1. Both Statement I and Statement II are incorrect.
2. Statement I is correct but Statement II is incorrect.
3. Statement I is incorrect but Statement II is correct.
4. Both Statement I and Statement II are correct.
| Statement I: | The boiling point of three isomeric pentanes follows the order, \(\small\text { n-Pentane }>\text { Isopentane }>\text { Neopentane }\) |
| Statement II: | When branching increases, the molecule attains the shape of sphere. This results in smaller surface area for contact, due to which the intermolecular forces between the spherical molecules are weak, thereby lowering the boiling point. |
1. Both Statement I and Statement II are incorrect.
2. Statement I is correct but Statement II is incorrect.
3. Statement I is incorrect but Statement II is correct.
4. Both Statement I and Statement II are correct.
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
76%
From NCERT
NEET - 2024
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Arrange the following compounds in increasing order of their solubilities in chloroform:
\(\mathrm{NaCl, CH_3 OH, cyclohexane(\mathrm{C}_6 \mathrm{H}_{12}), CH_3CN}\)
1. \(\mathrm{NaCl< CH_3CN<CH_3 OH<Cyclohexane}\)
2. \(\mathrm{CH_3 OH<CH_3CN<NaCl<Cyclohexane}\)
3. \(\mathrm{NaCl< CH_3 OH<CH_3CN<Cyclohexane}\)
4. \(\mathrm{Cyclohexane< CH_3CN<CH_3 OH<NaCl}\)
\(\mathrm{NaCl, CH_3 OH, cyclohexane(\mathrm{C}_6 \mathrm{H}_{12}), CH_3CN}\)
1. \(\mathrm{NaCl< CH_3CN<CH_3 OH<Cyclohexane}\)
2. \(\mathrm{CH_3 OH<CH_3CN<NaCl<Cyclohexane}\)
3. \(\mathrm{NaCl< CH_3 OH<CH_3CN<Cyclohexane}\)
4. \(\mathrm{Cyclohexane< CH_3CN<CH_3 OH<NaCl}\)
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
50%
From NCERT
NEET - 2024
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A compound having the shortest carbon-carbon bond length among the following is :
1. Benzene
2. Ethene
3. Ethyne
4. Ethane
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
85%
From NCERT
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Subtopic: Aliphatic Hydrocarbon- Physical Properties |
69%
From NCERT
AIPMT - 2011
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Which isomer of pent-2-ene will have a higher boiling point and why?
1. Cis - less polar than trans
2. Trans - more polar than cis
3. Cis - more intermolecular forces
4. Trans - more dipole-dipole interactions
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
61%
From NCERT
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- 1(current)
Q. No.
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