What are alcoholic beverages made of?

Write the structures of different isomeric alkyl groups corresponding to the molecular formula $C_{5}H_{11}$. Write the $IUPAC$ names of the alcohols obtained by the attachment of $-OH$ groups at different carbons of the chain.

What is the order of esterification of alcohols?

$CH_3 CH_2 OH$ $\xrightarrow{Cl_2} CH_3 CHO$ $\xrightarrow{3 Cl_2} Cl_3 CCHO$. In the above reactions,the role of $Cl_2$ in step-$1$ and step-$2$ respectively is:

Compare the rate of dehydration of $(i)$,$(ii)$ and $(iii)$ by conc. $H_2SO_4$.

Optically active $3-$methylpent$-1-$en$-3-$ol loses its optical activity after standing in water containing a few drops of acid,mainly due to the formation of: