The major product obtained by the dehydration of the given alcohol is:

What is the final product $(IV)$ in the following reaction sequence? $CH_3-CH(OH)-CH_3$ $\xrightarrow{PBr_3} I$ $\xrightarrow{Mg/ether} II$ $\xrightarrow{\text{Ethylene oxide}} III$ $\xrightarrow{H_2O} IV$

Which compound is soluble in water?

$B \xleftarrow{CH_3OH/CH_3ONa} \text{Epoxide} \xrightarrow{H_2O^{18}/H^{+}} A$. $A$ and $B$ are:

Glycerol has strong intermolecular hydrogen bonding; therefore,it is:

Given below are two statements :
Statement $I$ :
In Lucas test,primary,secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. $HCl + ZnCl_{2}$,known as Lucas Reagent.
Statement $II$ :
Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.
In the light of the above statements,choose the most appropriate answer from the options given below :