iomerism 13 | optical isomers 05 | optical isomerism in allene , spiro and biphenyl jee mains/ neet Published 5 years ago • 652K plays • Length 37:05 Download video MP4 Download video MP3 Similar videos 53:35 isomerism 07 || geometrical isomers 02 : cycloalkanes , allenes , spiro , biphenyl jee mains / neet