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Pearson Edexcel International A Level

Chemistry YCH11 past papers 2021

18 question papers from October and May/June and January 2021, every variant with its mark scheme and official grade boundaries. Open any paper in Study Drive, free and with no sign-up.

October 2021 6 papers

PaperCodesGrade boundariesOpen in Study Drive
Unit 1ASStructure, Bonding and Introducttion to Organic ChemistryWCH11/01
WCH11_01_que_20211006
out of 80 · A 51 · B 43 · C 36 · D 29 · E 22PaperPaper + mark scheme
Unit 2ASEnergetics, Group Chemistry, Halogenoalkanes and AlcoholWCH12/01
WCH12_01_que_20211009
out of 80 · A 45 · B 38 · C 31 · D 25 · E 19PaperPaper + mark scheme
Unit 3ASPractical Skills in Chemistry IWCH13/01
WCH13_01_que_20211014
out of 50 · A 27 · B 23 · C 19 · D 15 · E 12PaperPaper + mark scheme
Unit 4A2Rates, Equilibria and Further Organic ChemistryWCH14/01
WCH14_01_que_20211019
out of 90 · A* 71 · A 59 · B 49 · C 39 · D 29 · E 19PaperPaper + mark scheme
Unit 5A2Transition Metals and Organic Nitrogen ChemistryWCH15/01
WCH15_01_que_20211022
out of 90 · A* 60 · A 48 · B 40 · C 32 · D 24 · E 16PaperPaper + mark scheme
Unit 6A2Practical Skills in Chemistry IIWCH16/01
WCH16_01_que_20211027
out of 50 · A* 41 · A 34 · B 28 · C 22 · D 17 · E 12PaperPaper + mark scheme

May/June 2021 6 papers

PaperCodesGrade boundariesOpen in Study Drive
Unit 1ASStructure, Bonding and Introducttion to Organic ChemistryWCH11/01
WCH11_01_que_20210420
—PaperPaper + mark scheme
Unit 2ASEnergetics, Group Chemistry, Halogenoalkanes and AlcoholWCH12/01
WCH12_01_que_20210426
—PaperPaper + mark scheme
Unit 3ASPractical Skills in Chemistry IWCH13/01
WCH13_01_que_20210430
—PaperPaper + mark scheme
Unit 4A2Rates, Equilibria and Further Organic ChemistryWCH14/01
WCH14_01_que_20210421
—PaperPaper + mark scheme
Unit 5A2Transition Metals and Organic Nitrogen ChemistryWCH15/01
WCH15_01_que_20210428
—PaperPaper + mark scheme
Unit 6A2Practical Skills in Chemistry IIWCH16/01
WCH16_01_que_20210505
—PaperPaper + mark scheme

January 2021 6 papers

PaperCodesGrade boundariesOpen in Study Drive
Unit 1ASStructure, Bonding and Introducttion to Organic ChemistryWCH11/01
WCH11_01_que_20210304
out of 80 · A 55 · B 46 · C 38 · D 30 · E 22PaperPaper + mark scheme
Unit 2ASEnergetics, Group Chemistry, Halogenoalkanes and AlcoholWCH12/01
WCH12_01_que_20210304
out of 80 · A 45 · B 38 · C 31 · D 24 · E 17PaperPaper + mark scheme
Unit 3ASPractical Skills in Chemistry IWCH13/01
WCH13_01_que_20210304
out of 50 · A 31 · B 26 · C 22 · D 18 · E 14PaperPaper + mark scheme
Unit 4A2Rates, Equilibria and Further Organic ChemistryWCH14/01
WCH14_01_que_20210304
out of 90 · A* 76 · A 63 · B 52 · C 41 · D 30 · E 19PaperPaper + mark scheme
Unit 5A2Transition Metals and Organic Nitrogen ChemistryWCH15/01
WCH15_01_que_20210304
out of 90 · A* 64 · A 52 · B 43 · C 35 · D 27 · E 19PaperPaper + mark scheme
Unit 6A2Practical Skills in Chemistry IIWCH16/01
WCH16_01_que_20210304
out of 50 · A* 43 · A 35 · B 30 · C 25 · D 20 · E 15PaperPaper + mark scheme