b$)C{H}_{2}CHCN$

c$)(C{H}_3{)}_{2}N$

d$)[C{H}_{3}N{H}_3{]}^{+}$

e$)C{H}_3\frac{C}{O}OH$

Q$5.$ Draw a complete structural formula and a condensed structural formula for the following

a$)$ Three compounds of formula $C_3{H}_{3}O$

b$)$ Three compounds of formula $C_3{H}_{6}O$

e$)$ HCCCHO

f$)C{H}_{2}OH$