How to remember all reactions and preparation of organic chemistry of class 12 board

Here’s a Quick Way to Learn Organic Chemistry

Start from Organic Chemistry Fundamental Concepts.
Derive standard name reaction mechanisms of organic chemistry.
Practice Organic Chemistry conversions.
Tricks for Organic Chemistry conversions:
Using Visual Aids to Study.
Memorise less, understand more.
Study with partners.

Look for the pattern or similarity in the reactions or trends. Take a notebook and write down all those chemical reactions you want to remember till the end of the exam. Repeat this step daily. Note down the colour of precipitates, trends like electronegativity down the group, name of ores, flame test colours, etc.