Arrange the following $(w, x, y, z)$ in decreasing order of their boiling points.

Cyclohexanol and phenol can be distinguished by

Identify the reagents $X$,$Y$,and $Z$ in the following reaction schemes:
$(i)$ Benzene $\xrightarrow{X}$ Benzenesulfonic acid $\xrightarrow{Y}$ Sodium phenoxide $\xrightarrow{Z}$ Phenol
$(ii)$ Aniline $\xrightarrow{X}$ Benzenediazonium chloride $\xrightarrow{Y}$ Phenol
$(iii)$ Chlorobenzene $\xrightarrow{X}$ Sodium phenoxide $\xrightarrow{Y}$ Phenol

Which of the following substances does not dissolve in a sodium carbonate solution?

$1^o, 2^o, 3^o$ alcohols are distinguished by

Match List-$I$ with List-$II$ :

List-$I$	List-$II$
$A$. $H_{3}C-CH(OH)-CH_{3}$	$I$. $(i)$ oleum; (ii) $NaOH, \Delta$; (iii) $H^{+}$
$B$. $CH_{3}COOH \rightarrow CH_{3}CH_{2}OH$	$II$. $(i)$ $O_{2}$; (ii) $H_{2}O/H^{+}$
$C$. $CH_{3}CH_{2}OH \rightarrow H_{3}C-CH(OH)-CH_{3}$	$III$. $(i)$ $CH_{3}OH, H^{+}$; (ii) $H_{2}$,Catalyst
$D$. Benzene $\rightarrow$ Phenol	$IV$. $(i)$ conc. $H_{2}SO_{4}, \Delta$; (ii) $H^{+}/H_{2}O$

Choose the correct answer from the options given below :