Question

Identify the unsaturated compounds from the following:

(a) Propane (b) Propene (c) Propyne (d) Chloropropane

• A. (a) and (b)
• B. (b) and (d)
• C. (c) and (d)
• D. (b) and (c)

Answer 1

The correct option is D (b) and (c)

All the given examples are some types of hydrocarbons. Hydrocarbons ae generally classified into three categories alkane, alkene and alkyne. Among the three alkene and alkynes are unsaturated. Alkenes end with the suffix 'ene' and alkynes end with the suffix 'yne". So propene and propyne are unsaturated hydrocarbons. So the correct option is D