A level Chemistry for OCR preview page

A level Chemistry for OCR

The following worksheets are written for the current OCR A level Chemistry specification.

Every worksheet has a mark scheme with full workings for the calculations. This allows students to mark their own work, see how to modify their answers and also allow teachers or tutors to mark the student’s work.

These worksheets are not endorsed by OCR, nor is this website affiliated with OCR. These worksheets are written on the basis of a teacher using their professional judgement in interpreting the OCR A level chemistry specification.

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Atoms

Calculating an isotopic mass from a relative atomic mass

Bonding and Structure

Shapes of molecules and ions

Intermolecular forces

Mole Calculations

Percentage yield (back calculation)

Titration calculations

Acids

Reactions of acids and alkalis

Groups

Group 2

Energetics

Standard enthalpy change of formation

Using Hess law to calculate an unknown enthalpy of formation from the overall reaction enthalpy.

Standard enthalpy change of combustion

Bond enthalpy calculations

Kinetics

Kinetics AS

Alkanes

Skeletal formulae for alkanes

Free Radical substitution

Halogenoalkanes

Haloalkanes

Reactions of halogenoalkanes

Alkenes

Naming & drawing alkenes

EZ isomerism

Reactions of alkenes

Equilibria

Kp calculations

Alcohols

Naming alcohols

Oxidation of alcohols

Analysis

Mass Spectrometry

Redox

Writing ionic equations

Balancing equations by oxidation number

Esters

Making esters using acid anhydrides

Transition metals

Redox titrations percentage composition

Polymers

Polyesters

Practical Techniques

Recrystallisation

Science Worksheets