Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) -Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction
1. | (a), (c), (d) | 2. | (b), (c), (d) |
3. | (a), (b), (d) | 4. | (a), (b), (c) |
The C – H bond and C – C bond in ethane are formed by overlapping of -
1.
2.
3. sp – sp and sp – sp
4. p–s and p – p
An organic molecule necessarily shows optical activity if it -
1. Contains asymmetric carbon atoms
2. Is non-planar
3. Is non-superimposable on its mirror image
4. Is superimposable on its mirror image
The compound that has least hindered rotation around carbon-carbon bond is-
1. | Ethane | 2. | Ethylene |
3. | Acetylene | 4. | Hexachloroethane |
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 |
[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
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