Chemistry - STEREO ISOMERISM Question with Solution | TestHub
Total numbers of geometrical isomers of following compound is :
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Answer:
Solution:
Question Explanation:
Determine the total number of geometrical isomers for 1,2,3,4tetrachlorocyclobutane.
Concept:
Geometrical Isomerism in Cyclic Compounds
Solution:
Geometrical isomers in cyclic compounds arise due to the restricted rotation of the ring, where substituents can be on the same side (cis) or opposite sides (trans) of the ring plane. For a four-membered ring with four identical substituents ( Cl ), we consider the relative spatial arrangements. The possible arrangements of the four Chlorine atoms relative to the plane of the cyclobutane ring are:
1. All-cis: All 4 Cl atoms on the same side (1 isomer).
2. Three-cis, one-trans: 3 Cl atoms on one side, 1 Cl atom on the other (1 isomer).
3. Two-cis, two-trans (Adjacent): 2 Cl atoms on one side are neighbors (1 isomer).
4. Two-cis, two-trans (Opposite): 2 Cl atoms on one side are diagonal to each other (1 isomer).
Total unique geometrical arrangements = 1 + 1 + 1 + 1 = 4.