An unsaturated hydrocarbon 'A' reacts with two molecules of H2 and upon reductive ozonolysis A gives butane-1,4-dial, ethanal, and propanone.

The IUPAC name of A is:

1. 2-Methylocta-2,6-diene

2. 2-Methylocta-1,5-diene

3. 3-Methylocta-2,6-diene

4. 2-Methylocta-1,6-diene

Subtopic:  Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
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Benzene+CH3ClAlCl3 C6H5CH3

The mechanism & intermediate involved in the above reaction are:

1. Aromatic electrophilic substitution & carbocation

2. Aromatic Nucleophilic substitution & carbanion

3. Aromatic free radical substitution & Free radical

4. Carbene based substitution reaction & Carbene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The type of radicals that can be formed as intermediates during monochlorination of 2-methylpropane is-

1. Primary and tertiary radicals

2. Two types of primary radicals

3. Primary and secondary radicals

4. Two types of tertiary radical

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The major product(s) in the below reaction is-

\(H_{3} C - CH = CH_{2} \xrightarrow[{\left(\right. Ph - CO - O \left.\right)_{2}}]{HBr} S\)

1. \(\underset{1 - Bromopropane}{H_{3} C - CH_{2} - CH_{2} Br}\)

2. \(\underset{2 - Bromopropane}{CH_{3} - \underset{Br}{\underset{\left|\right.}{CH}} - CH_{3}}\)

3. \(\underset{Propene}{CH_{3} - CH = CH_{2}}\)

4. None of the above

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Chlorination of methane takes place by:

1. Elimination

2. SN1

3. Free radical

4. SN2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The products formed after ozonolysis of Pent-2-ene are:

1. Ethanal and Methanal

2. Ethanal and Propanal

3. Ethanal and Butanal

4. Ethanal and  Ethanal

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Among the two isomers given above, the reason behind higher boiling point of one isomer as compared to the order is :

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 |
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Decreasing order of acidic behavior of benzene, n-hexane, and ethyne is -

1. Hexane > Ethyne > Benzene

2. Benzene > Hexane > Ethyne

3. Ethyne > Benzene > Hexane

4. Benzene > Ethyne > Hexene

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Ethyne ? Benzene 

The reagent used in the above conversion is:

1. Cr2O3

2. Alc. KOH

3. Red hot Fe

4. NaNH2/liq.NH3

Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
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Out of the above alkenes, the ones that can give 2-methyl butane on hydrogenation are-

1. a, b 2. b, c
3. a, c 4. a, b, c
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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