How many molecules of methyl iodide are required to obtain tetramethyl ammonium iodide from dimethyl amine?

Among the following compounds nitrobenzene,benzene,aniline and phenol,the strongest basic behaviour in acid medium is exhibited by

The correct order of the basic strength of methyl substituted amines in aqueous solution is

When chloroform reacts with ethyl amine in the presence of alcoholic $KOH$,the compound formed is

Which foul-smelling substance is formed when methylamine reacts with chloroform and ethanolic caustic alkali?

The reaction between a primary amine,chloroform and a few drops of alcoholic $KOH$ is known as: