Chemistry - STEREO ISOMERISM Question with Solution | TestHub
ChemistrySTEREO ISOMERISMCHIRAL CENTRE AND CHIRAL MOLECULESHard2 minQB
ChemistryHardnumerical
Number of chiral centres in [X] & [Y] is a & b respectively. The value of (a–b) is :
Answer:
2.00
Solution:
Count only tetrahedral atoms with four distinguishable paths/substituents. The fused-ring ketone X has five stereogenic centres (ring junctions and the Cl-bearing carbon); Y has three (Cl, and Br-bearing carbons). The apparent terminal branched carbon in Y has two identical methyl groups. Thus a-b=5-3=2.
Subject:ChemistryTopic:STEREO ISOMERISMSubtopic:CHIRAL CENTRE AND CHIRAL MOLECULES
⏱ 2mℹ️ Source: QB
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