Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMCALCULATION OF TOTAL STEREOISOMERSHard2 minQB
ChemistryHardsingle choice

Find out the total number of stereoisomers of the given following compound.

Cl-CH=CH-CCl2-CH=CH-Cl

Options:

Answer:
B
Solution:

The central CCl2 carbon is never a stereocentre (two identical Cl atoms), so only the two double bonds matter. (E,E) and (Z,Z) give one isomer each; because the two arms of the molecule are identical, (E,Z) and (Z,E) are the same compound : 1 + 1 + 1 = 3.

Ans. (B) 3.

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:CALCULATION OF TOTAL STEREOISOMERS
⏱ 2mℹ️ Source: QB

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