Aniline reacts with excess $Br_2 / H_2O$ to give the major product.

Identify substrate $A$ in the following reaction.
$A + AgOH \xrightarrow[ii) \Delta]{i) \text{moist } Ag_2O} CH_3CH_2N(CH_3)_2 + CH_2=CH_2$

Which of the following is the correct order for basic strength?

The major product in the following reaction sequence is:

Which of the following would produce an alcohol on treatment with $NaNO_2$ and $HCl$ in the presence of water?

$R-NH_2 \to R-NH-CH_3$ (major product). The correct sequence of reagents is: