Tue August 09, 2011 By: Shashank Shekhar

which one of the following conformations of cyclohexane is chiral? (a)Boat (b)Twist Boat (c)rigid (d)Chair

Expert Reply
Tue August 09, 2011
a) chair confomation is symmetrical
b) boat confomation is symmetrical
c) twist boat confomation =it loses its symmetry due to twisting.
We know that if a compound is symmetrical then then it is not chiral. hence chair conformation and boat conformations .Both are achiral whereas twist boat is  chiral.
there is no such conformation as rigid so please make it clear what exactly do you mean by rigid.
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