The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is:
1. | The eclipsed conformation of ethane is more stable than staggered conformation because eclipsed conformation has no torsional strain. |
2. | The eclipsed conformation of ethane is more stable than staggered conformation even though the eclipsed conformation has a torsional strain. |
3. | The staggered conformation of ethane is more stable than eclipsed conformation because staggered conformation has no torsional strain. |
4. | The staggered conformation of ethane is less stable than eclipsed conformation because staggered conformation has a torsional strain. |
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X and Y in the above-mentioned reaction are respectively:
1. X = 2–Butyne; Y = 3–Hexyne
2. X = 2-Butyne; Y = 2-Hexyne
3. X = 1-Butyne; Y = 2-Hexyne
4. X = 1-Butyne; Y = 3–Hexyne
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HCl with an alkene X reacts in accordance with Markovnikov’s rule to give 1-Chloro-1-methylcyclohexane. The structure of alkene (X) is:
1. | 2. | ||
3. | (1) and (2) | 4. |
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The reaction of C6H5CH =CHCH3 with HBr produces:
1. \(C_{6} H_{5} \underset{Br}{\underset{\left|\right.}{CH}} CH_{2} CH_{3} \)
2. \(C_{6} H_{5} CH_{2} \underset{Br}{\underset{\left|\right.}{CH}} CH_{3} \)
3. \(C_{6} H_{5} CH_{2} CH_{2} CH_{2} Br \)
4.
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Above mentioned single molecule is obtained from ozonolysis. The starting cyclic compound is:
1. | 2. | ||
3. | 4. |
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Given compounds are as follows:
(I) | (II) | ||
(III) |
The enthalpy of hydrogenation of these compounds will be in the order as-
1. | I > II > III | 2. | III > II > I |
3. | II > III > I | 4. | II > I > III |
Product Z in the above-mentioned reaction is:
1.
2.
3.
4.
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The isobutyl group among the following is:
1. | |
2. | CH3–CH2–CH2–CH2– |
3. | |
4. |
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The incorrect IUPAC name among the following is:
1. | |
2. | |
3. | |
4. |
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1. | 2. | ||
3. | 4. |
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