← Back to Chemistry Chapters
Organic Compounds Containing Oxygen Questions
26 Practice QuestionsStart Practicing Now
- [Easy]Mild oxidation of a primary alcohol with pyridinium chlorochromate stops at one stage, so what is the principal organic product formed in this reactio...
- [Medium]A sample of pure oxalic acid dihydrate weighing 6.3 g is dissolved in water and completely neutralised, so what volume of 0.5 M NaOH is required?...
- [Medium]Ethanoic acid is treated with chlorine in the presence of a small amount of red phosphorus, so which organic product forms in this Hell-Volhard-Zelins...
- [Medium]Comparing how chlorine substitution at different distances affects acid strength, which of the following carboxylic acids has the lowest pKa value?...
- [Easy]Four organic liquids are tested with iodine and sodium hydroxide, and only some give a yellow precipitate, so which compound gives a positive iodoform...
- [Easy]Ranking carbonyl compounds by their tendency to undergo nucleophilic addition reveals an order governed by sterics and electronics, so which species i...
- [Easy]A student needs a single reagent that gives a silver mirror with propanal but no visible change with propanone, so which reagent should be chosen?...
- [Medium]To prepare tert-butyl ethyl ether in good yield by Williamson synthesis, which combination of an alkoxide and an alkyl halide should be selected for t...
- [Medium]Treating phenol with chloroform and aqueous sodium hydroxide followed by acidification introduces a new functional group on the ring, giving which maj...
- [Medium]Heating four isomeric butanols with concentrated sulphuric acid gives alkenes at very different rates, so which alcohol undergoes acid-catalysed dehyd...
- [Easy]When three unlabelled bottles containing 1-butanol, 2-butanol and 2-methyl-2-propanol are each treated with Lucas reagent at room temperature, which s...
- [Easy]Phenol reacts with FeCl₃ to give:...
- [Medium]Cannizzaro reaction is given by:...
- [Easy]The order of reactivity of alcohols with HCl-ZnCl₂ (Lucas reagent) is:...
- [Easy]Decarboxylation of sodium acetate with soda lime gives:...
- [Easy]Aldol condensation requires:...
- [Easy]Esterification reaction is:...
- [Easy]Williamson ether synthesis involves:...
- [Easy]Kolbe's reaction (phenol + CO₂) produces:...
- [Medium]CH₃MgBr + HCHO followed by H₃O⁺ gives:...
- [Medium]Chloroacetic acid is stronger than acetic acid because:...
- [Medium]Clemmensen reduction converts:...
- [Easy]Fehling's solution is reduced by:...
- [Easy]Tollen's reagent is:...
- [Medium]Hydroboration-oxidation of alkenes gives:...
- [Easy]Phenol is more acidic than ethanol because:...