Ocr organic chemistry Study guides, Revision notes & Summaries

Alkane to Haloalkane - Halogen with UV (Radical Substitution) Alkene to Haloalkane - Hydrogen Halide (Electrophilic Addition) Alcohol to Haloalkane - Sodium Halide with H₂SO₄ Alkene to Alkane - Hydrogen with Nickle Catalyst at 150°C & 5atm Alkene to Alchohol - Steam with Conc H₃PO₄ Catalyst at 300°C & 60atm (Hydration Addition) Haloalkane to Alkene - Conc Sodium Hydroxide with heat in an Alcoholic solution (Elimination) Haloalkane to Alcohol - Sodium Hydroxide under Reflux (Nucle...

OCR A-Level Chemistry A Organic Synthesis Question 100% solvedAlkene + hydrogen /nickel catalyst/423K= alkane Alkene + bromine /room temperature= dihaloalkane Alkene + HCl(g/aq) /room temperature= haloalkane (mixed products) Alkene + H2O(g) /H3PO4= alcohol (mixed products) Primary alcohol + 2[O] /excess K2Cr2O7/H2SO4/reflux= carboxylic acid Primary alcohol + [O] /K2Cr2O7/H2SO4/distil= aldehyde Secondary alcohol + [O] /K2Cr2O7/H2SO4/reflux= ketone ...

Conditions for oxidation of primary alcohols to aldehydes [O] - Acidified potassium dichromate (VII) Distillation Conditions for oxidation of primary alcohols to carboxylic acids 2[O] - Acidified potassium dichromate (VII) Reflux Conditions for oxidation of secondary alcohols to ketones [O] - Acidified potassium dichromate (VII) Reflux Colour change for reduction of dichromate (VII) ions - Orange to Green Conditions for oxidation of tertiary alcohols - Do not oxidise under normal conditi...

Pag 12.1 Investigating Iron Tablets - Risk Assessment - Introduction - Results table

This resource includes exam questions from both Chemistry A and Chemistry B. It is not designed as a topic test but is instead intended as a document to support the teaching and learning of Module 1 – Development of practical skills in chemistry. 1. Ethanol is oxidised to ethanoic acid using acidified potassium dichromate(IV) solution. The reaction is heated under reflux using the equipment shown in the diagram below. What is the reason for heating under reflux? A. to ensure even heating B. to...

OCR Salters B Chemistry- Paper 3 Practical Skills exam with 100% complete solutions | Graded A+ Weighing a solid - -1. Zero the balance 2. Place weighing bottle/boat onto balance and add in the approximate required mass of solid 3. Accurately weigh solid and weighing bottle and record 4. Empty solid into glassware where it will be used 5. Accurately reweigh empty weighing bottle 6. Subtract recorded mass for empty weighing bottle from mass recorded for solid and weighing bottle Measuri...

OCR A level Chemistry Definitions Exam With 100% Correct Answers Activation Energy - Correct Answer The minimum energy required to start a reaction by breaking bonds in the reactants Addition Polymer - Correct Answer A very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules Addition Reaction - Correct Answer A reaction in which a reactant is added to an unsaturated molecule to make a saturated molecule Acid Dissociation Constant - Corre...

OCR A Level Chemistry A (H432) Chemistry B (H433) PAG 6: Synthesis of an organic solid Practice Exam Questions and Mark Scheme 2020

OCR A Level Chemistry A Chemistry B PAG 5 Synthesis of an organic liquid Exam Questions and Mark

OCR A Level Chemistry A Chemistry B PAG 5 Synthesis of an organic liquid Exam Questions and Marking Scheme.