AQA Organic Chemistry 1 Welcome to your AQA Organic Chemistry 1 Ethanol and methoxymethane are isomers of each other. What type of isomers are they? Functional group isomers Chain isomers Optical isomers Position isomers Which of the following are formed as a result of homolytic fission? Free radicals Simple ions Molecules Molecular ions According to the IUPAC standard, what is the name of the following compound? 2-hydroxypropanoic acid Propanoic-2-ol Propan-2-hydroxyl acid 2-hydroxylpropanone Which of the following is a chain isomer of pentene? Image 1 Image 2 Image 3 Image 4 Which of the following statements is correct?I. Thermal cracking produces mainly cyclic alkanesII. Low pressure is required for thermal crackingIII. Catalytic cracking is done to obtain aromatic hydrocarbons I and II only III only I only II only Which of the following is(are) product(s) of complete combustion of alkanes?I. OxygenII. Carbon dioxideIII. Carbon monoxide II only I and II only I only III only What is the mechanism of formation of chloroalkanes? Free radical substitution Electrophilic substitution Nucleophilic substitution Elimination What is the product when bromoethane is hydrolysed? Ethanol Ethanone Ethanal Ethanoic acid What is the product when 1-Bromo-3-methylbutane is reacted with KCN in an ethanol/water mixture? 3-methylbutanenitrile 2-methylbutanenitrile Pentanenitrile 1-bromobutane-3-nitrile What is the product when 1-Iodopropane is added to sodium hydroxide in ethanol? Propene Propanal Propanone Propanol Bromine reacts alkenes at room temperature. What is the reaction mechanism? Electrophilic addition Nucleophilic addition Free radical addition Electrophilic substitution Which of the following is a correct condition of industrial hydration of alkenes? High pressure Low temperature The catalyst sodium hydroxide The presence of ethanol What is the product of the reaction between sulphuric acid and propene? Propan-2-ol Propanoic acid Propane Propan-2-al Butan-2-ol is reacted with concentrated sulphuric acid under reflux. How many isomers of an alkene are formed by this reaction? 3 2 1 4 What is the process that produces ethanol from glucose is called? Fermentation Hydration Hydrolysis Polymerisation Which of the following compounds gives propanone when heated under reflux with excess potassium dichromate? Propan-2-ol 2-Methylpropan-2-ol Propan-1-ol Propanoic acid What is the threshold wavenumber beyond which fingerprint regions start in an IR spectrum? 1500 1700 2500 2000 What is observed when chloroethane is warmed with aqueous silver nitrate? White precipitant Pale yellow precipitant No reaction Brown precipitant Which of the following functional groups is present in the compound with the IR spectrum given? -OH -C=O N-H C=C What is the ratio of enantiomers in a racemic mixture? 50/50 25/75 30/70 60/40 Which of the following statements is true? Dextrorotatory rotates light clockwise Racemate rotates light anti-clockwise Chiral carbon is symmetrical Structural isomers are enantiomers Time is Up!