Identify which of the structures below are meso structures ?
$1$ and $3$
$1,3$ and $5$
$1,3$ and $4$
$2$ and $5$
Which one of the following compounds shows optical isomerism
Number of optically active isomer is/are
Which of the following is not chiral?
Which of the following are meso compounds
Which of the following acids does not exhibit optical isomerism?