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Module 4 Core Organic Chemistry (AS Chemistry OCR A) What is a Saturated Hydrocarbon A saturated hydrocarbon is a molecule containing only hydrogen and carbon atoms with single bonds only between the atoms. What is an Unsaturated Hydrocarbon An unsaturated hydrocarbon is a molecule containing only hydrogen and carbon atoms with one or more carbon-to-carbon multiple bonds What is a Homologous Series A family of compounds with similar chemical properties whose successive members...

OCR A Level Chemistry: Carbonyl Compounds revision test exam 2024 Product of oxidation of aldehydes Carboxylic acid Conditions/reagents for oxidation of aldehydes Reflux, acidified potassium dichromate Can ketones be oxidised? No

OCR A Level Chemistry: Carbonyl Compounds revision test exam 2024 Product of oxidation of aldehydes Carboxylic acid Conditions/reagents for oxidation of aldehydes Reflux, acidified potassium dichromate Can ketones be oxidised? No

OCR A-Level Chemistry Module 4 comprehensive exam 2024.

OCR A-Level Chemistry Module 4 comprehensive exam 2024. Aromatic hydrocarbon Contain at least one benzene ring or similar structural features. Aldehyde Carboxylic acid Ketone

OCR A level chemistry a practical skills 2024 write down the steps to prepare a standard solution 1. weigh the solute using the weigh by difference method 2. in a beaker dissolve the solute using the solvent 3. pour the solution into a volumetric flask 4. rinse the beaker using the solution and add it to the flask 5. add solvent to the flask carefully until it reaches the graduation line 6. mix the solution thoroughly to ensure complete mixing what are the reasons for not obtaining...

OCR A level Chemistry Module 3 comprehensive exam 2024 Ernest rutherford Gold foil experiment- discovered nucleus (1909) Niels Bohr 1913- discovered that electrons move around the nucleus in orbits called electron shells. EM emitted/ absorbed when moving between levels- fixed frequency Mass Spectrometer steps 1. Vaporisation 2.Ionisation 3.Acceleration 4.Ion drift 5.Detection

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.