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Q. No.The alkane that cannot be obtained by Kolbe's electrolytic method is:
1.
Ethane
2.
Butane
3.
Propane
4.
Octane
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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The most reactive compound among the following toward sodium metal is:
1. 1-Propyne
2. Methane
3. Ethyne
4. 1-Butyne
1. 1-Propyne
2. Methane
3. Ethyne
4. 1-Butyne
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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JEE
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Hydrocarbon that cannot be synthesized through Kolbe's electrolytic method is:
| 1. | n-Butane | 2. | Ethane |
| 3. | Methane | 4. | Ethene |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Consider the following reactions sequence,
The product B(Major product) is:
1. Benzoquinone
2. Benzene sulphonic acid
3. Cyclohexane
4. Resorcinol
The product B(Major product) is:
1. Benzoquinone
2. Benzene sulphonic acid
3. Cyclohexane
4. Resorcinol
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The given reaction is an example of:
1. Addition reaction.
2. Nucleophilic substitution reaction.
3. Electrophilic substitution reaction.
4. Electrophilic addition reaction.
1. Addition reaction.
2. Nucleophilic substitution reaction.
3. Electrophilic substitution reaction.
4. Electrophilic addition reaction.
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The number of hydrogen atoms attached to primary (1°), secondary (2°), and tertiary (3°) carbons in the given organic compound are:
1. 18, 4, 0
2. 18, 6, 0
3. 20, 6, 2
4. 18, 4, 2
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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The correct order for the relative energies of the following sawhorse conformations is:
| 1. | IV > III > II > I | 2. | IV > III = II > I |
| 3. | II ≈ III > IV > I | 4. | I > II = III > IV |
Subtopic: Alkanes, Alkenes and Alkynes - Conformations and Hybridisation |
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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 |
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Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |
66%
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JEE
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