$R-NH-CHO \xrightarrow[\text{pyridine}]{POCl_3} \text{ product}$
In the given reaction,what will be the product?

Aniline in a set of the following reactions yielded a coloured product $Y$.
Aniline $\xrightarrow[(273-278 \ K)]{NaNO_{2}/HCl} X$ $\xrightarrow{N,N-dimethylaniline} Y$
The structure of $Y$ would be

Nitrobenzene on reduction with zinc and $NH_4Cl$ gives:

In the given carbylamine reaction,the value of $x$ (moles of $KOH$ consumed) is:
$C_6H_5NH_2 + CHCl_3 + xKOH \rightarrow C_6H_5NC + 3KCl + 3H_2O$

The order of basic strength of the following in aqueous solution is
$I$. $C_6H_5NH_2$
$II$. $(CH_3)_3N$
$III$. $NH_3$
$IV$. $CH_3NH_2$
$V$. $(CH_3)_2NH$

Identify the major product formed in the following sequence of reactions:
Aniline $\xrightarrow{Br_2/H_2O}$ $2,4,6-$Tribromoaniline $\xrightarrow{NaNO_2/HCl}$ $2,4,6-$Tribromobenzenediazonium chloride $\xrightarrow{H_3PO_2/H_2O}$ Product.