CF2 = CF2 = 1 mark do not accept structures with more than 2 C atoms 1 (c) any three from: many monomers / (small) molecules / tetrafluoroethene molecules • allow many tetrafluoroethenes many particles is insufficient do not accept many polymers (monomers, molecules etc.) join / bond / link / combine / attach • allow many particles join allow many atoms join do not accept collide / add ignore polymerise do not accept many polymers join to form one molecule or • to form a or to form a large molecule no other substances are produced / • one substance formed (definition of addition) idea of double bond breaking / opening / opens / bond being • used to join to another molecule or the double bond becomes a single bond 3 [6] Q49. Quality of written communication: for correct sequencing or linking of two ideas or two points annotate Q or Q 1
CF2 = CF2 = 1 mark do not accept structures with more than 2 C atoms 1 (c) any three from: • many monomers / (small) molecules / tetrafluoroethene molecules allow many tetrafluoroethenes many particles is insufficient do not accept many polymers • (monomers, molecules etc.) join / bond / link / combine / attach allow many particles join allow many atoms join do not accept collide / add ignore polymerise do not accept many polymers join • to form one molecule or to form a or to form a large molecule • no other substances are produced / one substance formed (definition of addition) • idea of double bond breaking / opening / opens / bond being used to join to another molecule or the double bond becomes a single bond 3 [6] Q49. Quality of written communication: for correct sequencing or linking of two ideas or two points annotate Q or Q 1
organic_chemistry_mark_scheme_2.docx