Match the reactions in Column $(I)$ with the products formed in Column $(II)$.

Column $(I)$	Column $(II)$
$(A)$ Kolbe's reaction	$(i)$ Salicylaldehyde
$(B)$ Reimer-Tiemann reaction	$(ii)$ Ethers
$(C)$ Williamson synthesis	$(iii)$ Ethanol
$(D)$ Fermentation	$(iv)$ Salicylic acid

The correct order of boiling points of the compounds given below is-
$A$) Methoxy ethane
$B$) Propan-$1$-ol
$C$) Propanal
$D$) Propanone

Arrange the following sets of compounds in order of their increasing boiling points:
$(a)$ Pentan$-1-$ol,butan$-1-$ol,butan$-2-$ol,ethanol,propan$-1-$ol,methanol.
$(b)$ Pentan$-1-$ol,$n-$butane,pentanal,ethoxyethane.

When a mixture of ethanol and methanol is heated in the presence of concentrated $H_2SO_4$,the resulting organic product or products is/are:

Which of the following reactions gives alcohol or phenol as a product?
$(i)$ $C_2H_5COOH \xrightarrow{LiAlH_4} C_2H_5CH_2OH$
$(ii)$ $C_2H_5Br$ $\xrightarrow[\text{then } H_2O]{\text{Mg, dry ether}} C_2H_5MgBr$ $\xrightarrow{H_2O} C_2H_6$
$(iii)$ $\text{Benzene diazonium chloride} \xrightarrow{H_3PO_2, H_2O} \text{Benzene}$
$(iv)$ $4-\text{Chlorotoluene} \xrightarrow[300 \text{ atm}]{\text{NaOH, } 623 \text{ K}} 4-\text{Methylphenol}$

When phenol is treated with $CHCl_3$ and $NaOH$ followed by acidification,salicylaldehyde is produced. Which of the following intermediates is involved in the above reaction?