Which of the following is erythro form and optically active ?
What is stereoisomerism ? Which are its types ?
Which of the following molecules has axis of symmetry and a coaxial plane of symmetry ?
An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon. The ester formed will be
Total number of stereoisomers of the compound $2-4$ -dichloroheptane is
Which one of the compound is not isomer of others?