Which of the following generla rules for switching ligands or rotaing Fischer structures is incorrect?
A
An even number of switches results in no change in the configuration
B
An odd number of switches changes the configuration to that of the enantiomer
C
The structure cannot be rotated out of the plane of the paper
D
The structure can be rotated in the plane through `90^(@)`
Text Solution
Verified by Experts
The correct Answer is:
D
Any rotation of Fisher projections that interconverts horizontal and vertical ligands is not allowed. Hence, the structure can be rotated in the plane through `180^(@)` or its multiples but not through `90^(@)`
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