Answer
i. In amines there is a single bond between C and N. An example is Methylamine ($CH_{3}NH_{2}$).
ii. In imines, there is a double bond between C and N. General formula is: $R_{1}R_{2}C=NR_{3}$
iii. In Cyanides, there is a triple bond between C and N. Example is HCN.
Work Step by Step
Given above