The similarity between geometric and optical isomerism is that .....

When isomers have the same structural formula but differ in the relative arrangement of atoms or groups,they are called ........

Which of the following reactions will not produce a racemic product?

The relationships between the pairs of compounds shown below are respectively:

Which of the following structures has an $R$-configuration at the chiral center?

$A$ pair of stereoisomers might be classified in various ways. Which of the following statements are true with respect to pairs of stereoisomers?
$a$. They might be configurational isomers
$b$. They might be diastereomers
$c$. They might be constitutional isomers
$d$. They might be tautomers
$e$. They might be conformational isomers
$f$. They might be enantiomers
$g$. They might be positional isomers