Ethanol is prepared industrially by

Identify the incorrect match with respect to compounds to be distinguished and the reagent used.

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

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Phenol $\rightarrow$ Salicylaldehyde	$I$. $Br_2$ in $CS_2$
$B$. Phenol $\rightarrow$ Benzene	$II$. $Na_2Cr_2O_7/H_2SO_4$
$C$. Phenol $\rightarrow$ $p$-Benzoquinone	$III$. $Zn$
$D$. Phenol $\rightarrow$ $p$-Bromophenol	$IV$. $CHCl_3/NaOH$

Choose the correct answer from the options given below:

The number of possible isomers of the compound with molecular formula $C_7H_8O$ is

Which of the following reactions will yield $2-propanol$? Select the correct answer from $a, b, c$ and $d$.
$I. \, CH_2 = CH - CH_3 + H_2O \xrightarrow{H^+} $
$II. \, CH_3 - CHO \xrightarrow[(ii) \, H_2O]{(i) \, CH_3MgI} $
$III. \, CH_2O \xrightarrow[(ii) \, H_2O]{(i) \, C_2H_5MgI} $
$IV. \, CH_2 = CH - CH_3 \xrightarrow{KMnO_4} $