Amines

Basic character depends upon the availability of lone pair of electrons over nitrogen for donation. Presence of electrons releasing group like increases the electron density over nitrogen, thus lone pair of nitrogen are more available for donation. Hence, basic character increases.
But methyl amines are less basic as compared to and amines due to steric hindrance. Thus, the order of basic strength of the given compounds is

When the alkyl halide is primary, alkoxide (or aryloxide) attacks on it and ether is obtained as a major product.

Amides are produced by alkyl cyanides by shaking them with cold cone. or by dissolving the nitriles in cone. and then pouring them into water.

Acid anhydride on reaction with primary amines give substituted acid amides e.g.,

Isocyanides are reduced to amines.
amine)
( amine)

Hofmann bromamide reaction

In general, the basic strength of amines increases as the number of electron releasing groups ( showing group like increases due to more availability of nitrogen to donate its lone pair of electrons. But in aqueous solution, two other factors, i.e., steric effect and solvation effect, also involves
due to which tendency of tertiary amines to loose their lone pair of electrons i.e., basicity reduces. Thus, the order of basicity, if the electron releasing group in methyl, in aqueous solution is

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