$C_6H_{12}O_6$ $\xrightarrow{\text{Zymase}} A$ $\xrightarrow[\Delta]{NaOI} B + CHI_3$
The number of carbon atoms present in the product $B$ is $.....$

Aromatic aldehydes undergo disproportionation in the presence of concentrated sodium or potassium hydroxide to give the corresponding alcohol and acid salt. This reaction is known as:

The following reaction gives:

Identify the correct statements about $Z$ in the following reaction sequence:
$C_2H_5NH_2$ $\xrightarrow[NaNO_2 / HCl]{} X$ $\xrightarrow{H_2O} Y$ $\xrightarrow{Cu / 573 \ K} Z$
$I$. $Z$ is an aldehyde
$II$. $Z$ undergoes Cannizzaro reaction
$III$. $Z$ gives iodoform test
$IV$. $Z$ does not give test with Tollens' reagent

Which of the following compounds will react with water?

What are $X$ and $Y$ in the following reaction sequence?
$Toluene$ $\xrightarrow{X} Benzaldehyde$ $\xrightarrow{HNO_3 + H_2SO_4, 273-283 \ K} Y$