Which of the following are monomers used in addition polymerisation?AlcoholsCarboxylic acidsAlkanesAlkenes2What is the name of the process used to obtain monomer alkenes from the products of fractional distillation? CombustionPolymerisationEsterificationCracking3Which of the following statements about the addition polymerisation of ethene is not correct?Poly(ethene) is the polymerEthene is the monomerThe C=C bond in each monomer is replaced by a C-C bondThe monomers are joined together by ionic bonds4Polymers have many uses in everyday life. Which of the following is not a use of polymers?ElectronicsCosmetic productsFood flavouringFood storage 5Which of the following is a disadvantage of many polymers?They are very strongThey are not biodegradableThey are easy to shapeThey have very high melting points

What type of polymerization occurs when monomers are added together and no byproducts form? The process is initiated by a free radical. Group of answer choicessynthesis polymerizationsubtraction polymerizationcondensation polymerizationaddition polymerization

(c) Alkenes such as butene and ethene are more reactive than alkanes.Alkenes are used in the petrochemical industry to make a range of products, whichincludes polymers and alcohols.(i) Dibromoethane is used as a pesticide. Complete the equation for its preparationfrom ethene.C C + B 2 →HHHH[1](ii) The structural formula of a poly(alkene) is given below.nCCH 3CCH 3H HDeduce the structural formula of its monomer.[2](iii) How is butanol made from butene, CH 3 – CH 2 – CH = CH 2 ? Include an equation inyour answer................................................................................................................................................................................................................................................................... [2](iv) Cracking changes alkanes into alkenes. How could an alkene be converted into analkane? Include an equation in your answer................................................................................................................................................................................................................................................................... [2]PhysicsAndMathsTutor.com

Which of the following describes condensation polymerisation?All of theseUsually involves two different monomersProduces a polymer plus a small moleculeThe functional groups on the two different monomers react together2Which of the following is a dioic acid? CH3-CH2-CH2-CH2-COOHCH3-CH2-COOHHO-CH2-OHHOOC-CH2-COOH3A diol is joined with a dioic acid in a condensation polymerisation reaction. What products are formed?Poly(ethene) plus waterPolyester onlyPolyester plus waterPoly(ethene) only4What is the functional group of an ester?‒OH‒COO‒COOH‒C=C5In a condensation polymerisation reaction between nHO-□-OH and nHOOC-□-COOH, how many water molecules are formed?nH2ONo water3nH2O2nH2O6Which of the following is methanediol?HOOC-CH2-COOHHO-CH2CH2-OHOOC-CH2-COOHO-CH2-OH

What would be the name of the addition polymer made from propene monomers?

When monomers are joined together, what do they form?A.PolymersB.AromaticsC.AlkanesD.Saturated alkenesSUBMITarrow_backPREVIOUS