It is possible to distinguish between optical isomers by
Infrared spectroscopy
Mass spectrometry
Melting point determination
Polarimetry
Calculate the total number of stereoisomers when alkene having trans configuration
Which of the following is a meso compound ?
Which is optically active
Which of the following is the Fischer projection of $L-$ threonine (also known as $(2S, 3R) \, 2-$ amino $-3-$ hydroxybutanoic acid) ?