Acidic hydrogen present among the following compound is -
1. Ethyne
2. Ethene
3. Benzene
4. Ethane
Which of the following compounds is insoluble even in hot concentrated H2SO4?
1. Aniline
2. Benzene
3. Ethylene
4. Hexane
Anti-Markovnikov’s addition of HBr is not observed in-
1. | Propene | 2. | But-1-ene |
3. | But-2-ene | 4. | Pent-2-ene |
Baeyer's reagent is:
1. Acidified permanganate solution
2. Alkaline permanganate solution
3. Neutral permanganate solution
4. Aqueous bromine solution
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. | \(H_{3} C - \underset{}{\overset{\circ}{C} H} - \underset{\underset{CH_{3}}{\left|\right.}}{CH} - CH_{3}\) |
1-Butyne and 2-Butyne can be differentiated by:
1. Bromine, CCl4
2. H2 , Lindlar catalyst
3. Dilute H2SO4, HgSO4
4. Ammoniacal cuprous chloride
Which of the following Hydrocarbon has the highest octane number?
1. Methane
2. Ethane
3. Iso-octane
4. Triptane
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
The reaction of propene with HOCl proceeds via the addition of:
1. | H+ in the first step | 2. | Cl+ in the first step |
3. | OH- in the first step | 4. | Cl+ and OH- in a single step |
The compound among the following that yield propyne on hydrolysis is:
1.
2.
3.
4.