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Question
Chiral molecule(s) is/are:
Chiral molecule(s) is/are:
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Solution
The correct options are
A
C
Allenes with an even number of double bonds and different valencies on the terminal carbon are chiral as they dont have any plane of symmetry.
For spiro compounds the same rules are followed.
Biphenyl rings with bulky groups are chiral as one ring moves out of the plane due to steric hinderance. Hence, there is no plane of symmetry (when the bulky groups attached to the same ring are different).
Compound given in option (d) is achiral as it has a plane of symmetry.
A
C
Allenes with an even number of double bonds and different valencies on the terminal carbon are chiral as they dont have any plane of symmetry.
For spiro compounds the same rules are followed.
Biphenyl rings with bulky groups are chiral as one ring moves out of the plane due to steric hinderance. Hence, there is no plane of symmetry (when the bulky groups attached to the same ring are different).
Compound given in option (d) is achiral as it has a plane of symmetry.
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