AS Level Chemistry A H032/01 Breadth in chemistry September 23 2020( Question paper)

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AS Level Chemistry A H032/01 Breadth in chemistry September 23 2020 Date – Morning/Afternoon Version 2.1 Time allowed: 1 hour 30 minutes * 0 0 0 0 0 0 * INSTRUCTIONS • Use black ink. You ma... y use an HB pencil for graphs and diagrams. • Complete the boxes above with your name, centre number and candidate number. • Answer all the questions. • Where appropriate, your answers should be supported with working. Marks may be given for a correct method even if the answer is incorrect. • Write your answer to each question in the space provided. • Additional paper may be used if required but you must clearly show your candidate number, centre number and question number(s). • Do not write in the bar codes. INFORMATION • The total mark for this paper is 70. • The marks for each question are shown in brackets [ ]. • This document consists of 28 pages. © OCR 2021 H032/01 [601/5256/4] DC (…) Turn over You must have: the Data Sheet for Chemistry A You m ay use: First name Last name Centre Candidate number2 © OCR 2021 H032/01 12 SECTION A You should spend a maximum of 25 minutes on this section. Answer all the questions. 1 How many electrons are in a 24Mg2+ ion? A 10 B 12 C 14 D 22 Your answer [1] 2 What is the formula of chromium(III) sulfate? A Cr3SO4 B Cr(SO4)3 C Cr2(SO4)3 D Cr3SO3 Your answer [1] 3 Which molecule is non-polar? A SF6 B H2S C PF3 D NH3 Your answer [1]3 © OCR 2021 H032/01 Turnover 4 Which row is correct? A B C D Your answer [1] 5 Which equation represents a redox reaction? A Mg + 2HCl  MgCl2 + H2 B MgO + 2HCl  H2O + MgCl2 C MgCO3+ 2HCl  CO2 + H2O + MgCl2 D Mg(OH)2 + 2HCl  MgCl2 + 2H2O Your answer [1] 6 This question is about trends in the periodic table. Which trend is correct? A melting point decreases from lithium to carbon B boiling point decreases from fluorine to iodine C first ionisation energy decreases from lithium to caesium D first ionisation energy increases from nitrogen to oxygen Your answe [Show More]

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