Hydrocarbons questions
384 published questions with worked solutions.
- The reaction of cyclohexene with HBr (giving the allylic/addition bromide product) is an example of
- Conversion of CH₄ to CH₃Cl is an example of which of the following reactions?
- Addition of Br₂ to trans-but-2-ene gives
- Addition of Br₂ to CH₂=CH₂ in the presence of aqueous NaCl gives
- Which hydrocarbon is most unsaturated?
- The number of carbon atoms of each type present in neopentane is
- The number of 4° (quaternary) carbon atoms in 2,2,4,4-tetramethylpentane is
- The number of 1°, 2° and 3° carbon atoms present in isopentane (2-methylbutane) are, respectively,
- C₆H₁₂ on addition of HBr, in the presence and in the absence of peroxide, gives the same product. It is
- Among the alkenes 1-butene (I), cis-2-butene (II) and trans-2-butene (III), the decreasing order of stability is
- Why is light necessary to bring about chlorination reactions of alkanes?
- The reaction CH₂=CH–CHO --HX--> gives
- An unknown compound A has molecular formula C₄H₆. When A is treated with excess Br₂, a new substance B with formula C₄H₆Br₄ is...
- An organic compound X having molecular formula C₆H₇O₂N has 6 carbons in a ring system, two double bonds, and also a nitro group...
- The compound shown (a four-membered all-carbon ring with alternating double bonds) is an example of
- In the following reaction sequence, the chain initiation step is
- In the reaction sequence: (I) 3-methylbutan-2-ol, H⁺/heat → A (major) + B (minor); (II) A, HBr (dark, no peroxide) → C (major) +...
- The number of π-electrons present in the cyclobutadienyl ion (C₄H₃)⁻ is
- The structure remaining after one hydrogen atom is removed from a hydrocarbon is
- The maximum number of alkyl (methyl) groups attached in an isomer of C₈H₁₈ is
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration