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Kampala Wakiso Giant Schools Association National Joint Mock Examination Senior Six Chemistry Paper Two 2025

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KWGSA Joint Mock Examinations 2025 Page 1 of 4 P525/2 CHEMISTRY Paper 2 11th August 2025 2 Hours 30 Minutes KAMPALA WAKISO GIANT SCHOOLS’ ASSOCIATION (KWGSA) National Joint Mock Examination 2025 Uganda Advanced Certificate of Education CHEMISTRY Paper 2 2 Hours 30 Minutes INSTRUCTIONS TO CANDIDATES This paper consists of two sections A and B Answer any five questions from both sections choosing three from Section A and two from section B Proper display of all workings is required. Silent non -programmable scientific electron ic calculators may be used. Molar gas volume at stp is 22.4litres Gas constant, R, = 8.314 JK-1mol-1 Standard temperature = 273K Standard pressure = 101325 Nm-2 Any extra question(s) attempted will not be marked KWGSA Joint Mock Examinations 2025 Page 2 of 4 SECTION A Attempt any three questions 1. (a) A compound T contains 62.07% Carbon, 10.34% Hydrogen and the rest being Oxygen. 0.3771g of T occupies a volume of 72.8cm3 at s.t.p. T does not burn with a sooty flame. Calculate the molecular formula of T. (C=12, H=1, O=16) (06 Marks) (b) Hydrolysis of T yielded compound A, C 4H10O and B, C 2H4O2. Both A and B react with metallic sodium, B react with sodium Carbonate but A did not. (i) Identify the compound B (ii) Write the names and structural formulae of all possible isomers of A.(04 marks) (iii) Name the reagent that can be used to distinguish between the isomers in b(ii) and state what would be observed if the reagent is reacted separately with each of the isomers. (c) When A was warmed with acidified Potassium permanganate solutio n, there was no observable change. (i) Identify compound A. (01 mark) (ii) Write the structural formulae of A. (01 mark) (d) (i) Write the equation and mechanism for the reaction …
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Kampala Wakiso Giant Schools Association National Joint Mock Examination Senior Six Chemistry Paper Two 2025, is an educational document on StudyUganda.com. This resource includes: "KWGSA Joint Mock Examinations 2025 Page 1 of 4 P525/2 CHEMISTRY Paper 2 11th August 2025 2 Hours 30 Minutes KAMPALA WAKISO GIANT SCHOOLS’ ASSOCIATION ……" (Format: PDF) — 436.61 KB, 4 pages. Added July 23, 2026.

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