[A] and [B] in the mentioned reaction are respectively:
1. Alc. KOH and
2. and Lindlar catalyst
3. and alcoholic KOH
4. Lindlar catalyst and
Benzene reacts with in the presence of anhydrous to give:
1.
2.
3.
4.
Acidic hydrogen present among the following compound is -
1. Ethyne
2. Ethene
3. Benzene
4. Ethane
What will be the Product in the following reaction?
1.
2.
3.
4.
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
Which of the following compound has highest boiling point ?
(1) n-pentane
(2) 2-methyl butane
(3) 2, 2-dimethyl propane
(4) n-hexane
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. | \(H_{3} C - \underset{}{\overset{\circ}{C} H} - \underset{\underset{CH_{3}}{\left|\right.}}{CH} - CH_{3}\) |
Propyne A.
What is compound A?
1. 2-Propanol
2. Propane
3. Propene
4. 2-Propanone