Question

Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and  unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.

Answer 1

A –  Saturated hydrocarbons
B –  Unsaturated hydrocarbons
ii. A –  Propane
B –    Propene
iii. A - C₃H₈  : Number of -CH₂- is 3
B - C₃H₆ : Number of -CH₂- is 1