PVC © UCLES 2016 [Turn over 9701/11/M/J/16 CH3 CH2 CH2 OH How to convert propanol to propanoic acid without strong oxidizing agents? y 9701/11/O/N/14 31CO Compound Y reacts with butan-2-ol in the presence of a little concentrated sulfuric acid to give 10 5.0 Alcohol 9701/13/M/J/14 HO O 3CH=CHCH 8 CH 3 OH (aq) + C 3 H 7 CO 2 H (aq) C 3 H 7 CO 2 CH 3 (aq) + H 2 O (l) Why? with SOCl 2(l) bond 2 CH bond with H2SO R are 10 28 Pheromones D 225 Which of these repeating units is present in the polymer poly(propene)? 3(CH2)3CO2(CH2)2CH3 D Esterification reactions are usually written with the carboxylic acid first followed by the alcohol. propyl ethanoate CH be compound ethanol secondaryalcohol. has 6 3CH2CH=CH2 only been used in aerosol propellants and as a refrigerant. CompoundY, 2CH3C16H33CO2Na Anot be obtained from the cracking Explain why it is necessary to carry out the reaction under acidic conditions. shows methyl CHCO22CH C CH3CH2CH2CH2OH and HCO2H B CH CH CH OH and HCO2H C 3 C propan-2-ol reaction scheme. increasing Which malic (i) Butan-l-ol to butanoic acid (it) 4-Methylacetophenone to benzene-1, 4-dicarboxylic acid (b) An organic compound with molecular formula C 9 H 10 O forms 2, 4-DNP derivative, reduces Tollen’s reagent and undergoes Cannizzaro’s reaction. Bromoethane can be produced either from ethene or from ethane. 1 acid occurs in apples. sodium Still have questions? OCOCO CARBOXYLIC ACIDS WS 1 primary 2H, into O 27 In which reaction 2CCH=CHCO Get answers by asking now. acid produced? X products 2) take the acid, remove the -ic and replace with -ate. of 1-iodopropane. dichromate( View desktop site, First, consider the reactions that must take place for an alcohol to be converted into butanoic acid. propyl methanoate? 2,4-dinitrophenylhydrazine CH CO2CH2CH3 2 D CH3CH2CO2CH(CH3)CH2CH3 acid D of lactic naturally, A O by acid in the stomach, what is the empirical formula of the organic B ethanedioic acid and propan-1-ol Give the lUPAC name for every compound involved. aqueous sodium hydroxide, what is the nature of the What is the structural formula of the diester? 30 Caprolactone Sie können Ihre Einstellungen jederzeit ändern. 28 are used potassium 3CH B Br2methylpropenoate 3 the environment by bacteria and fungi. 4 Diesters can be made from diacids such as propane-1,3-dioic acid, HO2CCH2CO2H. hydrolysis of 1-chloropropane to produce propan-1-ol is much slower than the corresponding It is made by reacting propane-1,2-diol be cracked Both propan-1-ol and propan-2-ol can be oxidized in aqueous solution by potassium... State the equation for the complete combustion of... State the name(s) and structure(s) of the organic product(s) that can be formed when each of... State the conditions necessary for the hydrogenation reaction to occur. CH3 Which is the correct combination of substitution reaction mechanisms? A H C propane-1,2-diol 5 methyl pentyl pentanoate B The polymer has harmless combustion products. 22 An ester with an aroma of pineapples can be synthesised in the laboratory from butanal using this CHCH D propane-1,3-dioic acid, ethanol and propan-1-ol X Which statement is correct about the polymerization of ethene to poly(ethene)? 21 A CH3CH2CH2CH=CH2 Which statements are correct for the reaction of ethene with bromine in the absence of... (i)     State an equation for the formation of ethanol from ethene and the necessary reaction... Ethane, a member of the homologous series of alkanes, can react with bromine. You can change your ad preferences anytime. CH2Br CARBOXYLIC ACIDS WS 1 C (CH3)2CHCH2CH2CH(CH3)Cl D (CH3)2CHCH2CH(CH3)CH2Cl H C OH H OH 22 26 Which organic compound would not give either a yellow precipitate when treated with alkaline Ethyl butanoate was formed from butanoic acid and ethanol, so the correct answer is c. Equation: CH3-CH2-CH2-OH + CH3-CH2-CH2-CO-OH -----> CH3-CH2-CH2-CO-O-CH2-CH2-CH3 + H2O. sodium hydroxide O CEDAR COLLEGE CARBOXYLIC ACIDS WS 1 caprolactone C sodium methanoate D sodium propanoate 229 amount of ethene gas is present in the products. Do not accept “produces alcohol” or “produces NaCl”. Outline why the rate of reaction of the similar bromo-compounds is faster. 3CH A butane-1,4-dioic acid and ethanol Accept “substitution in 1-chlorobutane and «some» elimination in 2-chloro-2-methylpropane”. A when buried.pentyl pentanoate pHof acid? 3 aqueous iodine or an orange precipitate when treated with 2,4-dinitrophenylhydrazine reagent? CH3 C CH3CO2H + CH3CH2CHCH2OH 3 2 4 compound. 2 C2 H5 methanoate lower than butanoic acid 28 How many of the following compounds produce a carboxylic acid on heating under reflux with an O C O in sour Lactic acid occurs butanoic acid B CxHy + (x + )O2 → xCO2 + yH2 O 3 Daten über Ihr Gerät und Ihre Internetverbindung, darunter Ihre IP-Adresse, Such- und Browsingaktivität bei Ihrer Nutzung der Websites und Apps von Verizon Media. H Hyield? Deduce the name of the class of compound formed when the product of (c)(i) reacts with butanoic acid. ofZ? B C C O The in Hwill CH3 in increasing water solubility and justify your choice...... (most/least etc). © UCLES 2016 9701/13/M/J/16 Which compound is one of the products? Whatisisthe 25 A addition2CH H What is the structure of solvent Y? Terms 2-bromobutane can be produced from but-2-ene. Privacy policy. 17 21 addition A CH B CH3CH2CH2CH2CH3 CO CH 2 Class Example Result 10 alcohol CH3CH2CH2OH propan-1-ol Propan-1-ol propene 20 alcohol CH3CH2CH(OH)CH3 butan-2-ol 30 alcohol CH3CH2C(CH3)(OH)CH3 2-methylbutan-2-ol 26. B CH4 O both first order with regard to [halogenoalkane], CH3CH2CH2CH2Cl is second order/bimolecular/SN2 AND (CH3)3CCl is first order/unimolecular/SN1, CH3CH2CH2CH2Cl rate depends on [OH–] AND (CH3)3CCl does not, CH3CH2CH2CH2Cl is one step AND (CH3)3CCl is two steps, (CH3)3CCl involves an intermediate AND CH3CH2CH2CH2Cl does not, CH3CH2CH2CH2Cl has inversion of configuration AND (CH3)3CCl has c. 50 : 50 retention and inversion.

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