JEE Main 2022 — General Organic Chemistry Question with Solution
JEE Main 2022 (29 Jul Shift 2)
Question
Given below are two statements.
Statement I : The compound
is optically active.
Statement II :
is mirror image of above compound .
In the light of the above statement, choose the most appropriate answer from the options given below.
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
Compound A is optically active due to the presence of chiral carbon
The R / S system is an important nomenclature system for denoting enantiomers. This approach labels each chiral center R or S according to a system by which its substituents are each assigned a priority, according to the Cahn–Ingold–Prelog priority rules (CIP), based on atomic number. When the center is oriented so that the lowest-priority substituent of the four is pointed away from the viewer, the viewer will then see two possibilities: if the priority of the remaining three substituents decreases in clockwise direction, it is labeled R (for Rectus, Latin for right); if it decreases in counterclockwise direction, it is S (for Sinister, Latin for left)
But the absolute configuration of both the molecules A and B is same that is S
Hence, Statement I is correct but Statement II is incorrect.
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This is a previous-year question from JEE Main 2022, covering the General Organic Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.
