A compound having the highest boiling point among the following is - 

1. Iso-octane 2. n-Octane
3. 2,2,3,3-Tetramethyl butane 4. n-Butane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 80%
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 [A] and [B]  in the  mentioned reaction are respectively -

1. Alc. KOH and NaNH2

2. NaNH2 and Lindlar catalyst

3. NaNH2 and alcoholic KOH

4. Lindlar catalyst and NaNH2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
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Acidic hydrogen present among the following compound is -

1. Ethyne

2. Ethene

3. Benzene

4. Ethane

 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
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Which of the following compounds is insoluble even in hot concentrated H2​SO4​?

1. Aniline 

2. Benzene

3. Ethylene

4. Hexane

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
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Anti-Markovnikov’s addition of HBr is not observed in-

1. Propene 2. But-1-ene
3. But-2-ene 4. Pent-2-ene 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 78%
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Baeyer's reagent is: 

1. Acidified permanganate solution

2. Alkaline permanganate solution

3. Neutral permanganate solution

4. Aqueous bromine solution

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
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Consider the following reaction,

The structure of the major reaction intermediate formed in the above reaction is-

1. \(H_{3} C - \underset{\underset{D}{\left|\right.}}{C} H - \underset{\underset{CH_{3}}{\left|\right.}}{C} H - \overset{\circ}{C} H_{2}\) 2. \(H_{3} C - \underset{\underset{D}{\left|\right.}}{C} H - \underset{\underset{CH_{3}}{\left|\right.}}{\overset{\circ}{C}} - CH_{3}\)
3. \(H_{3} C - \underset{\underset{D}{\left|\right.}}{\overset{\circ}{C}} - \underset{\underset{CH_{3}}{\left|\right.}}{CH} - CH_{3}\) 4. \(H_{3} C - \underset{}{\overset{\circ}{C} H} - \underset{\underset{CH_{3}}{\left|\right.}}{CH} - CH_{3}\)
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 77%
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 1-Butyne and 2-Butyne can be differentiated by -

1. Bromine, CCl4

2. H2 , Lindlar catalyst

3. Dilute H2SO4, HgSO4 

4. Ammoniacal cuprous chloride

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 71%
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Which of the following Hydrocarbon has the highest octane number?

1. Methane

2. Ethane

3. Iso-octane

4. Triptane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 76%
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In the presence of peroxide, hydrogen chloride and hydrogen fluoride do not undergo anti-Markovnikov's

addition reaction with alkenes because-

1. Both are highly ionic

2. One is oxidizing and the other is reducing

3. One of the steps is endothermic in both the cases

4. All the steps are exothermic in both cases

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 56%
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