Technical Sciences Grade 12 P2 Eastern Cape June 2024 Errata

Downloaded from hlayiso.com CHIEF DIRECTORATE: EXAMINATIONS AND ASSESSMENT Steve Vukile Tshwete Complex, Zone 6 Zwelitsha, 5608, Private Bag X0032, Bhisho, 5605 REPUBLIC OF SOUTH AFRICA: Enquiries: Mrs P. Japhta. Tel: 040 602 7031. Fax: 040 602 7295. E-mail: Penelope.Japhta@ecdoe.gov.za Website: www.ecdoe.gov.za Ref. no. 13/P Tel.: (040) 608 7031/060 523 8658 Enquire: Mrs P. Japhta Fax: 040 608 7295 ERRATUM TO: CHIEF EDUCATION SPECIALISTS DISTRICT CURRICULUM COORDINATORS DISTRICT ASSESSMENT OFFICIALS (DAOs DISTRICT SUBJECT ADVISORS (DSAs) PROVINCIAL SUBJECT COORDINATORS CIRCUIT MANAGERS DEPUTY CHIEF EDUCATION SPECIALISTS SENIOR EDUCATION SPECIALISTS PRINCIPALS OF SCHOOLS IN THE FET BAND SUBJECT: ERRATUM – TECHNICAL SCIENCE PAPER 2 DATE: 11 JUNE 2024 CORRECTED RESPONSE FOR TECHNICAL SCIENCES PAPER 2 QUESTION 2 2.1 An atom or a group of atom that determines the chemistry of a (2) molecule. 2.2.2 A or D 2.2.4 A /D/H 2.2.5 Question cancelled as there are no isomers in the given options. 2.3.1 Pent-1-ene or 1-pentene Page 1 of 2 Provincial Examination Errata

Downloaded from hlayiso.com 2.4.1   MARKING CRITERIA : • Correct functional group  • Whole structure correct  • NOTE: If a bond or hydrogen is missing 1/2 2.4.3 C6H12 2.4.4 Carbonyl group 2.4.5   MARKING CRITERIA : • Correct functional group  • Whole structure correct  • NOTE: If a bond or hydrogen is missing 1/2 Page 2 of 5 Provincial Examination Errata

Downloaded from hlayiso.com QUESTION 3 3.1 The pressure exerted by a vapour at equilibrium with its liquid in a closed system. 3.2 250 X Y Vapour Pressure(kPa) 200 Z 150 100 50 0 0 20 40 60 80 100 Molecular mass(g.mol-1) 3.3 The greater the molecular mass of the organic compound/alkanes, the lower the vapour pressure. OR As the molecular mass increases ,vapour pressure decreases. 3.5 • Referring to chain/molecular mass. • Comparison of strength of intermolecular force. • Intermolecular forces in compound Z are stronger than that of Compound Y. • More energy is needed to overcome the intermolecular forces in D than in Y. 3.6 Z QUESTION 4 4.1 Mark allocation 2 or 0 Page 2 of 5 Provincial Examination Errata

Downloaded from hlayiso.com 4.3 If a learner writes London forces ONLY, no mark. Dipole-dipole (intermolecular forces) 4.4 Boiling point increases with an increase in number of chlorine atoms/Boiling point increases with an increase in molecular mass. 4.5.2 One independent variable 4.5.3 Vapour pressure of compound I will be lower than the vapour pressure of Compound L. QUESTION 6 6.3 Positive holes/Holes that are positively charged. 6.6 Improves conductivity (of the semiconductor. We sincerely apologise for any inconvenience we might have caused. Yours in education. 11 June 2024 MRS P.E. JAPHTA DATE (A) CES: AIDIBM SUBDIRECTORATE Page 2 of 5 Provincial Examination Errata