The total number of stereoisomer possible for $2, 3$ -dichloro butane
$2$
$3$
$4$
$5$
Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula $C _4 H _8 O$ is. . . . . .
Which of the following compounds may not exist as enantiomers
How many different stereoisomers are possible for the following compound ?
$\begin{array}{*{20}{c}}
H\\
|\\
{ClHC = HC - C - CH = CHCl}\\
|\\
{Cl}
\end{array}$
Explain following term :
$(a)$ Isomerism $(b)$ position isomerism $(c)$ chain isomerism $(d) $ functional group isomerism $(e)$ metamerism $(f)$ optical isomerism