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
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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
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
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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
Chlorination of methane takes place by:
1. Elimination
2.
3. Free radical
4.
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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
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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
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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
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The reagent used in the above conversion is:
1. Cr2O3
2. Alc. KOH
3. Red hot Fe
4. NaNH2/liq.NH3
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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 |
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