From the following compounds,determine the number of compounds that give $(i)$ a red colouration with ceric ammonium nitrate and $(ii)$ a positive iodoform test: $...........$.

Which of the following ethers cannot be produced by Williamson ether synthesis?

How are the following conversions carried out?
$(i)$ Propene $\rightarrow$ Propan$-2-$ol.
$(ii)$ Benzyl chloride $\rightarrow$ Benzyl alcohol.
$(iii)$ Ethyl magnesium chloride $\rightarrow$ Propan$-1-$ol.
$(iv)$ Methyl magnesium bromide $\rightarrow$ $2-$Methylpropan$-2-$ol.

Match the following:

Column-$I$: Compound / Reagent	Column-$II$: Other name / Chemical / Process
$A$. Methanol	$I$. Lucas reagent
$B$. $ZnCl_2$ / Conc. $HCl$	$II$. Baeyer's reagent
$C$. Rectified spirit	$III$. Wood spirit
$D$. Dil. $KMnO_4$	$IV$. $95 \% C_2H_5OH$
-	$V$. $75 \% C_2H_5OH$
-	$VI$. $90 \% C_3H_7OH$

The correct match is:

Which of the following reactions produce $n$-butanol?

In the following reaction,$\text{Phenol}$ $\xrightarrow{Zn \, \text{dust}} x$ $\xrightarrow[\text{Anhy.} \, ZnCl_2]{CH_3Cl} y$ $\xrightarrow{\text{Alk.} \, KMnO_4} z$. The product $z$ is: