Acetylation reaction with acetyl chloride is carried out in the presence of which solvent?

The conversion of $2-$methylpropan$-1-$ol to $2-$methylpropan$-2-$ol is:

Assertion $(A)$: Tertiary alcohols produce turbidity immediately with Lucas reagent.
Reason $(R)$: Lucas reagent is a $1:1$ mixture of conc. $HNO_3$ and anhydrous $ZnCl_2$.
The correct option among the following is:

Glycerol $\xrightarrow{KHSO_4} A$ $\xrightarrow{LiAlH_4} B$
$A$ and $B$ are :

$HO-CH_2-CH_2-OH$ on heating with periodic acid gives:

What is ethanol containing a small amount of methanol called?