Which of the following is not chiral?
${2-}$ Hydroxypropanoic acid
${2-}$ Butanol
$2,{3-}$Dibromopentane
${3-}$Bromopentane
Which one of the following pairs represents stereoisomerism
Which of the following will have a meso isomer also
Which of the following is a chiral ?
Which of the given statement$(s)$ about $N , O , P$ and $Q$ with respect to $M$ is (are) correct?.
$(A)$ $M$ and $N$ are non-mirror image stereoisomers
$(B)$ $M$ and $O$ are identical
$(C)$ $M$ and $P$ are enantiomers
$(D)$ $M$ and $Q$ are identical