Optical isomerism IB 2011 chemistry

[nihantokar]

answer is given as B but why would C be wrong? it also has a chiral carbon

[Juliette]

hi

optical isomers need to have a chiral carbon, this is only the case for option B)

[nihantokar]

oh i didnt realize that 2 aminoethanoic acid actually hasn’t got one!! i counted wrong lol
thanks!!