Haloalkanes and Haloarenes questions
1135 published questions with worked solutions.
- The reagent used in the dehydrohalogenation process is
- The chloro compound which shows complete stereochemical inversion (Walden inversion) during an Sɴ2 reaction is
- Which of the following alkyl halides is used as a methylating agent?
- Isopentane can form four isomeric monobromo derivatives. How many of them are optically active?
- An organic compound C₅H₁₁X, on dehydrohalogenation, gives pentene-2 only. What is the halide?
- Which of the following undergoes nucleophilic substitution predominantly via the Sₙ1 mechanism?
- Isobutyl chloride is
- If X is a halogen, the correct order of Sₙ2 reactivity is
- When two halogen atoms are attached to two adjacent carbon atoms, the dihaloalkane is called
- Freon-114 is an organic compound, chemically called 1,2-dichlorotetrafluoroethane. Its correct structural formula is
- On monochlorination of 2-methylbutane, the total number of optically active (chiral) monochloro products formed is
- Many organic compounds are conveniently prepared using PCl₅ because it
- The S_N1 mechanism for the reaction R–X + KOH → R–OH + KX proceeds via a
- The S_N1 mechanism for nucleophilic substitution is favoured by
- The correct order of increasing reactivity of the C–X bond towards nucleophilic substitution among PhX (I), *p*-O₂N–C₆H₄–X (II),...
- Trichloroacetaldehyde (chloral, CCl₃CHO) reacts with chlorobenzene in the presence of conc. H₂SO₄ to produce
- Friedel–Crafts' reaction of bromobenzene with methyl iodide (AlCl₃) gives predominantly
- Benzyl chloride (C₆H₅CH₂Cl) can be prepared from toluene by chlorination with
- [Roorkee 1996] 3-Chloro-4-methylbenzenesulfonic acid, on steam distillation, gives
- [IIT 2005] Three stereoisomeric methoxy-substituted aryl compounds (K, L and M), differing in the relative configuration of an...
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