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Understand R/S Nomenclature (Part 1): Assignment along a Chiral Center in Organic Stereochemistry, with a clear and exam-oriented explanation designed for GATE (CY), CSIR-NET, IIT-JAM, and state-level exams like HPSC, MPPSC, and UPHESC.

In this lecture, we build the foundation of Cahn–Ingold–Prelog (CIP) priority rules and learn how to systematically assign R or S configuration to molecules containing a single chiral center.

🎯 What you’ll learn:

What is a chiral center (stereogenic center)

CIP priority rules for assigning substituent priorities

Step-by-step method to determine R (Rectus) or S (Sinister) configuration

Importance of molecular orientation and lowest priority group placement

Solving tricky stereochemistry problems

🎯 What you’ll gain:

Strong conceptual understanding of R/S assignment

Ability to quickly identify configuration at a chiral center

Practice with exam-oriented and PYQ-based questions

Avoiding common mistakes in stereochemical assignments

Perfect for Chemical Sciences aspirants aiming to strengthen their stereochemistry fundamentals for competitive exams.