3.2 and 3.3 i can recall the general formula and displayed formula of Alkanes

3. What is the General Formula for Alkanes?
Cn H2n+2
4. Describe and explain the trend in boiling points
The boiling point increases as you go up the Alkane group this is because the further you go into the group there are more bonds that need to be broken
5. three isomers of pentane