Which of the following Hydrocarbon has the highest octane number?
1. Methane
2. Ethane
3. Iso-octane
4. Triptane
The product(s) obtained via oxymercuration (HgSO4 + H2SO4 ) of but-1-yne is -
1.
2. CH3CH2 CH2-CHO
3. CH3CH2CHO + HCHO
4. CH3 CH2COOH + HCOOH
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Baeyer's reagent is:
1. Acidified permanganate solution
2. Alkaline permanganate solution
3. Neutral permanganate solution
4. Aqueous bromine solution
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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 |
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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 |
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The compound that has least hindered rotation around carbon-carbon bond is-
1. | Ethane | 2. | Ethylene |
3. | Acetylene | 4. | Hexachloroethane |
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The mechanism & intermediate involved in the above reaction are:
1. Aromatic electrophilic substitution & carbocation
2. Aromatic Nucleophilic substitution & carbanion
3. Aromatic free radical substitution & Free radical
4. Carbene based substitution reaction & Carbene
The major product in the following reaction is-
1. | 2. | ||
3. | 4. |
The main product of the following reaction will be-
1. | 2. | ||
3. | 4. |
Consider the following reaction:-
A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using-
1. AgN(aq)
2.
3. Conc.HN/
4. NaCl(aq)
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