Which of the following molecules are chiral ?
$I$ and $III$
$I$ and $V$
$II$ and $III$
$II, III, IV$
Amongst the following amino acids, the $(R)$ - enantiomer is represented by
Which of the following statements is not correct about $(A), (B)$ and $(C) -$
The number of possible isomers of the compound with molecular formula ${C_7}{H_8}O$ is
Methyl $- \alpha - D-$ glucoside and methyl $- \beta -D-$ glucoside are