Denatured spirit is mainly used as a

Identify the structure of the product formed in the following reaction of $4-$chloro$-4-$methylpentan$-1-$ol in a neutral polar medium:
$(CH_3)_2C(Cl)CH_2CH_2CH_2OH \to HCl + C_6H_{12}O$

Which of the following reacts with $HBr$ at a faster rate?

Which of the following alcohols reacts most rapidly with hydrogen halides?

What is the order of reactivity of halogen acids $(HX)$ with $C_2H_5OH$?

From amongst the following alcohols,the one that would react fastest with conc. $HCl$ and anhydrous $ZnCl_2$ is: