Oxalic acid + $A \rightarrow$ Glycerol monooxalate. If $A \xrightarrow{conc.\,H_2SO_4} B$,then $B$ is:

Sum of number of $1^o$ alcoholic groups in product $(P)$ and $(Q)$ is

Match the compounds in Column-$I$ with their $C-O$ bond length in Column-$II$ and $C-O-H$ bond angle in Column-$III$.

Column-$I$ (Name)	Column-$II$ ($C-O$ bond length) and Column-$III$ ($C-O-H$ angle)
$A$. Methanol	$1$. $141 \ pm$,$i$. $109^o$
$B$. Phenol	$2$. $136 \ pm$,$ii$. $111.7^o$
$C$. Methoxymethane	$3$. $142 \ pm$,$iii$. $108.9^o$

Which of the following statements is not incorrect?
$(i)$ tert-butyl chloride is easily hydrolysed to give alcohol.
$(ii)$ Secondary alcohol gives a blue colour in the Victor-Meyer test.
$(iii)$ The $IUPAC$ name of the given structure is $3-$methylpentan$-2-$ol.
$(iv)$ Alcohol releases $CH_4$ gas with a Grignard reagent (not $H_2$ gas).

What is the product of the reaction shown below?

Write the chemical reactions for the following conversions:
$1.$ Phenol to Anisole and Phenetole
$2.$ Chlorobenzene to $p$-Bromoanisole