- [Hard]An alkene X undergoes catalytic hydrogenation (H₂/Ni) to give n-butane. The same alkene X decolorises bromine water and also decolorises cold, dilute ...
- [Medium]Hydration of acetylene (ethyne) in the presence of H₂SO₄ and HgSO₄ catalyst at 60 °C initially forms an unstable intermediate that immediately tautome...
- [Medium]Ozonolysis of 2-butene followed by reductive workup (Zn/H₂O) gives:...
- [Easy]The free-radical chlorination of methane proceeds through which of the following sequence of elementary steps?...
- [Easy]How many structural isomers are possible for the molecular formula C₅H₁₂?...
- [Easy]Which of the following alkanes exhibits the highest boiling point?...
- [Medium]Which of the following correctly describes the mechanism by which benzene undergoes reaction with bromine in the presence of FeBr₃?...
- [Hard]In the nitration of toluene, the –CH₃ group directs the incoming –NO₂ group predominantly to the ortho and para positions because –CH₃ is:...
- [Easy]Markovnikov's rule predicts that the addition of HBr to propene (CH₃–CH=CH₂) will predominantly yield:...
- [Medium]The acidity of alkynes compared to alkenes and alkanes is in the order:...
- [Hard]Bromination of cis-2-butene yields which stereochemical relationship in product?...
- [Easy]Coupling of two molecules of 1-bromopropane with sodium (dry ether) gives main hydrocarbon:...
- [Hard]Polymerization of ethene proceeds via which mechanism (typical Ziegler–Natta)?...
- [Medium]Cold, dilute alkaline KMnO4 treatment of alkene gives:...
- [Medium]Hydration of 2-butyne (Hg2+, H2SO4) gives major product:...
- [Easy]In presence of peroxides, HBr addition to propene gives:...
- [Easy]Alkene stability increases with:...
- [Hard]Which is aromatic?...
- [Medium]Alkene producing only ethanal upon ozonolysis is:...
- [Easy]Major product of addition of HBr to propene (no peroxides) is:...
- [Medium]Most stable conformation of n-butane is:...
- [Easy]Number of structural isomers of C5H12 (pentane) is:...
- [Hard]Birch reduction of benzene yields:...
- [Medium]Most stable among given dienes is:...
- [Easy]Major monochlorination product of propane under radical conditions (excess Cl2, light) is:...