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Which substance has a giant covalent structure? 23. 15 only Markscheme C Examiners report This was thought to be a hard example “to test student understanding of hybridization and bond types”. I, II and III only D. I, II and III 24. Atomic radius II. K + Br2 D. Measurement and data processing. X 2+ and Y- C. CH3Cl A. 4 - An electrophile is a reactant that forms a bond to its reaction partner (the nucleophile) by accepting both bonding electrons from that reaction partner. Which of the following series shows increasing hydrogen bonding with water? A. Consider the following statements. Propane < propanol < propanal < propanoic acid Practice Topic 4 Test bonding [89 marks] 1. 4 and H 2 O B. Propane < propanal < propanol < propanoic acid B. B. C₁₀H₂₂, A and more. CH 3 NH 2 B. London (dispersion) forces A. I and III only D. 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IB Chemistry REVISION BOOKLETS FOR MAY 2021 EXAMS Using t he LATEST EXAM PAPERS broken down by topic (about 1000 Pages): HIGHER LEVEL PAPER 1 (2019 to 2016, 224 Pages) Click Here HIGHER LEVEL Paper 2 (2019 to 2015, 314 pages) Click Here The bank of exam style questions are accompanied by high quality step-by-step markschemes and video tutorials, taught by experienced IB Chemistry teachers. 5 - Alkenes are susceptible to electrophilic attack because of the high electron density of the carbon–carbon double bond. X+ and Y- B. CH 3 OCH 3 and CF 4 C. Li + Cl2 C. I, II and III Markscheme B Examiners report [N/A] 2. 2 Functional group chemistry: Topic 11: Measurement and data processing: 11. Study with Quizlet and memorize flashcards containing terms like Which pair of elements reacts most readily? A. X2- and Y+, Based on Study with Quizlet and memorize flashcards containing terms like What energy changes occur when chemical bonds are formed and broken? A. (CH 3) 3 CNH 2 C. 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