Ethyl amine on acetylation gives

Arrange the given amines in decreasing order of their basicity.

Which of the following amines does not react with acetyl chloride?

Suppose the following reaction:
$CH_3-CH(CH_3)-COOH + CH_3-NH_2$ $\rightarrow 'A'$ $\xrightarrow{\Delta} 'B'$ $\xrightarrow{LiAlH_4 (excess)} 'C'$
The final product '$C$' will be:

What is formed when ethylamine reacts with chloroform in the presence of alcoholic $KOH$?

The major product in the following reaction is: