Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMELEMENT OF SYMMETRYMedium2 minQB
ChemistryMediumsingle choice

The given compound has which Axis of Symmetry (Sn):

structure spiro[3.3]heptane

Options:

Answer:
D
Solution:

Ans. (D) S4.

Sol. Spiro[3.3]heptane has its two identical rings locked perpendicular to each other (like the two ends of an allene, D2d). A 90 deg rotation about the axis through the spiro carbon followed by reflection in the plane perpendicular to it maps the molecule onto itself, so it possesses an S4 alternating axis.

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ELEMENT OF SYMMETRY
⏱ 2mℹ️ Source: QB

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