Organic Compounds Containing Halogens Questions

31 Practice QuestionsStart Practicing Now

[Medium]Converting a primary alcohol into the corresponding chloroalkane using thionyl chloride is often preferred in the laboratory; what makes this route es...
[Medium]Although chlorine withdraws electrons inductively, nitration of chlorobenzene yields mainly ortho and para products; how is this directing behaviour e...
[Medium]An alkyl bromide gives an alcohol with aqueous potassium hydroxide but an alkene with alcoholic potassium hydroxide; what accounts for this difference...
[Easy]A chlorofluorocarbon once widely used as an aerosol propellant and refrigerant is implicated in stratospheric ozone depletion; which compound class do...
[Medium]Arranging methyl, ethyl, isopropyl and tert-butyl bromides by their tendency to undergo unimolecular nucleophilic substitution, which member reacts fa...
[Medium]When 2-bromobutane is heated with alcoholic potassium hydroxide, dehydrohalogenation can give two alkenes; which one predominates and on what basis?...
[Easy]Chloroform stored in a partly filled bottle exposed to light and air slowly becomes poisonous; which oxidation product is responsible for this hazard?...
[Easy]Two moles of bromoethane are treated with metallic sodium in dry ether under the Wurtz reaction conditions; what is the principal hydrocarbon obtained...
[Medium]Chlorobenzene resists nucleophilic substitution under ordinary conditions much more than an alkyl chloride does; which factor is mainly responsible fo...
[Medium]A student prepares ethylmagnesium bromide in dry ether but accidentally allows moist air into the flask; what product chiefly forms from the reagent?...
[Easy]Among chloromethane, chloroethane, 1-chloropropane and 1-chlorobutane, which compound is expected to have the highest boiling point and why?...
[Easy]A halogen atom is attached to an sp3 carbon that is itself bonded directly to a carbon-carbon double bond; how is such a halide classified?...
[Medium]An optically active tertiary bromide is hydrolysed through a unimolecular pathway involving a planar carbocation; what stereochemical outcome is expec...
[Medium]When comparing primary, secondary and tertiary bromides toward bimolecular nucleophilic substitution, which structural factor most strongly governs th...
[Easy]Treating an alkyl bromide with a metallic fluoride such as antimony trifluoride or silver fluoride is used industrially to introduce which atom into t...
[Easy]Heating an alkyl chloride with sodium iodide in dry acetone steadily converts it into an alkyl iodide; what drives this exchange forward?...
[Easy]2-Chlorobutane is optically active because:...
[Easy]The order of reactivity of halides in nucleophilic substitution is:...
[Medium]Dehydrohalogenation of 2-bromobutane with alcoholic KOH gives:...
[Easy]The order of reactivity of alkyl halides in SN1 reaction is:...
[Medium]Sandmeyer reaction converts:...
[Easy]Chloroform (CHCl₃) is stored in dark bottles because:...
[Easy]Finkelstein reaction involves:...
[Medium]E2 elimination requires:...
[Medium]Haloform reaction is given by:...
[Easy]SN2 reaction is favored by:...
[Easy]Freons (CFCs) are:...
[Easy]Grignard reagent is prepared by reacting alkyl halide with:...
[Medium]Chlorobenzene is less reactive than chloroethane toward nucleophilic substitution because:...
[Easy]DDT (dichlorodiphenyltrichloroethane) is:...
[Medium]Wurtz-Fittig reaction is used to prepare:...