Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMCALCULATION OF TOTAL STEREOISOMERSMedium2 minQB

ChemistryMediuminteger

Passage / Comprehension

Consider the following compound:

The number of stereogenic atoms in this compound is x and the number of stereoisomers is y.

The value of $x$ is $____$ .

Answer:

Solution:

Stereogenic atoms are those sp³ carbons having four different groups or atoms involved in E/Z (geometrical) isomerism.

In the given structure, count all chiral (asymmetric) carbons present in the fused ring system and side chains.

Also include the C=C double bond carbons (CH=CH) because they show E/Z stereoisomerism, so they are stereogenic units.

The complex ring junctions (bridgehead carbons) and substituted carbons (with CH₃, Br, side chain) all contribute to chirality.

After counting all such atoms carefully, total stereogenic atoms = 14.

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CALCULATION OF TOTAL STEREOISOMERS

⏱ 2mℹ️ Source: QB

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