The element not present in Nessler's reagent is:

Primary,secondary and tertiary amines can be separated using :-

Ammonia reacts with which of the following reagents to give a brown precipitate?

Which of the following cannot give the carbylamine reaction?

$A$ positive carbylamine test is given by

Identify the incorrect statement based on the following reaction sequence:
$C_6H_5N_2^+Cl^-$ $\xrightarrow{H_3PO_2/H_2O} A$ $\xrightarrow{SO_3} B$ $\xrightarrow{PCl_5} C$ $\xrightarrow{EtNH_2} D$