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OCR A A-level Chemistry – Organic Mechanisms Fill-in-the-Blanks Workbook | Active Recall Practice

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This workbook is designed to help you actively recall the key OCR A organic mechanisms by filling in the blanks yourself. Instead of passive revision, you’ll complete each mechanism stage — reactants, intermediates, products, and arrows — before checking against the answer booklet (sold separately). Fill-in-the-blanks format – forces active recall and deeper memory retention Covers OCR A organic mechanisms (nucleophilic substitution, electrophilic addition, elimination, etc.) Original diagrams & arrows provided – clear layouts for exam-style accuracy Designed for OCR A but also useful for AQA & Edexcel Chemistry Created by an Oxford Biomed (AAA)* and a Medicine student (AAA, incl. Chemistry) Ideal for A-level Chemistry students who want to test themselves interactively and strengthen recall before checking worked solutions.

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Conditions/ Mechanism &
Recall- theory points General Reaction: Equations and/or Mechanism
Reagents reaction name
Crude oil-> alkane
process

Alkane boiling point
trends with chain
length and branching

Alkane -> Alkene
Shape of alkanes and
bond type

Sigma bond
description

Reactivity, polarity,




Difference between
aliphatic, alicyclic Alkane -> cyclic
aromatic.




What are the
disadvantages of Alkane -> Haloalkane
FRS?




Alkane -> carbon
Incomplete vs
dioxide and water
complete

Algebraic formula
(two types)




Pi bond description

Reactivity comparison
Alkene -> Alcohol
to alkanes

Stereoisomerism

, Conditions/ Mechanism &
Recall- theory points General Reaction: Equations and/or Mechanism
Reagents reaction name
What isomers have
you used?

Which product is
major, which is minor
+ why?
Alkene -> Haloalkane
Carbocations and
stability

Reactivity, trends in
haloalkanes: polarity,
enthalpy, rate of
hydrolysis



Alkene-> Alkane




Glucose -> alcohol




Rate of hydrolysis and
how is it measured

Primary vs secondary Haloalkane - alcohol
vs tertiary haloalkanes
rate of hydrolysis
trend




Halide ->Silver salt




Bond angle:

Boiling and melting
points:
Alcohol -> Alkene
Gen formula:

Combustion:

Polarity:

Connected book
 image
Publisher: juli 2015 ISBN: 9780198351979 Edition: 1

Document information

Study Level
Subject
Uploaded on
August 27, 2025
Number of pages
13
Written in
2024/2025
Type
Exam (elaborations)
Contains
Only questions
$9.01

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